In fruit flies, the allele for vestigial wings is recessive to the allele for normal wings. In a generation of fruit flies, 18 males and 15 females with vestigial wings are produced, and 43 males and 44 females with normal wings are produced. Which of the following is the best conclusion you can make about the parents of this generation?

Answers

Answer 1
In Mendelian genetics one of the fundamental laws is The Law of Independent Assortment. The law states that parental traits are passed independently from parent to child. The recessive trait, vestigial wings, occurs in an approximate phenotypic ratio of 1:3. In a monohybrid cross of heterozygous (Rr) parents the expected phenotypic ratio correlates with the given 1:3 result therefore I can conclude that the parents are both heterogeneous (Rr) for vestigial wings. Normal Wings = R, Vestigial Wings = r (Parent 1) Rr * Rr (Parent 2) R * R = RR = Normal Wings (Child 1) R * r = Rr = Normal WIngs (Child 2) r * R = Rr = Normal Wings (Child 3) r*r = rr = Vestigial Wings (Child 4) 1 Vestigial Wings : 3 Normal Wings
Answer 2

What he meant was both parents are hetero


Related Questions

Organic and inorganic materials, water, air, and living organisms together make up ____________.

Answers

................... and living organism together make up THE SOIL.
Soil is the uppermost layer of the earth in which plants grown. It usually have a dark or brown coloration as a result of the decaying organic materials which it contains. There are different types of soil depending on the type of particles which they contain, but the best soil for agriculture is loamy soil.

Answer:

i just answered on apex it was natural something

Explanation:

Land cleared of all trees is likely to experience _____.


A. abundant wildlife

B. increases in plant species

C. soil erosion


Please explain your answer!

Answers

C. soil erosion

Roots of trees hold soil in place, so without trees soil is more likely to erode.

Cleared land is likely to experience soil erosion due to the lack of trees to anchor the soil, which can lead to environmental degradation and reduced biodiversity.

Land cleared of all trees is likely to experience soil erosion. Trees and their root systems are vital for anchoring soil and maintaining its structure. When trees are removed, the bare soil is exposed to wind and rain, which can wash or blow it away. This erosion leads to the degradation of land, making it less suitable for wildlife and plant species, and can cause many environmental problems, such as sediment entering waterways and the loss of nutrient-rich topsoil. Deforestation, often for agriculture or development, is a significant cause of habitat loss, and thus biodiversity, worldwide.

Additionally, cleared land may become a breeding ground for invasive species, which can further reduce biodiversity and disrupt the ecosystem balance.

How the structure of complex carbohydrates such as starch makes them suited for energy storage?

Answers

Well, Polysaccharides are complex carbohydrate polymersc consisting of more than 2 monosaccharides together covalently by glycosidic linkages in a condensation reaction. There are two types of polysaccharides first homo-polysaccharides and hetero-polysaccharides. A homo-polysaccharide is defined to have only one type of monosaccharide repeating in the chain; whereas, a hetero-polysaccharide is composed of two or more types of monosaccharides.

Lipids have an important role in storing energy reserves. What is another primary function of lipids?

Answers

it can be a heat insulator, which means it can trap heat in and reduce heat loss to keep us warm.
it can also protect organs, it can act as a shock absorber

Answer:Provides Insulation

Explanation:

i took the test on study

All the different plant populations make up the plant ___________ in this swamp. The plants are part of the bigger __________, that contains many biotic and abiotic factors. A) community:biome B) community:ecosystem C) ecosystem:biosphere D) population:community

Answers

I the answer is C. A community is more than one individual organism or animal and a ecosystem is the study of how an organism or animal is interacting with others

How do latitude and altitude affect which plants grow in an area?

Answers

They are both important. Latitude, the lines that parallel the equator are very important in determining plant growth rates and which plants can even exist because latitude is strongly related to average temperature. Altitude acts like latitude only over a shorter scale, so an increase in altitude of 1,000 ft may act like a latitude change of 3-4 degrees pole-ward. Longitude, that series of lines, perpendicular to the equator is also important, and is more related to water supply in the form of precipitation, so it would surely influence the kind of plants present - like desert plants versus rain forest types. Environments that are warm and with more rainfall generally will support more plant growth than those that are cold with little rainfall.

High-altitude air density and atmospheric pressure lower carbon dioxide levels and transpiration, which slows plant growth and large leaves' thick boundary layer can't absorb heat  making them vulnerable to frost damage.

Why altitude and latitude affect plant growth?

Plants fit their environment. Altitude-adapted plants must endure cooler temperatures. Annuals benefit from the brief summer season at higher altitudes, growing, blooming, and setting seed in weeks. High-altitude deciduous trees can't live because the summers are too short to grow leaves and store enough energy for the winters.

High-altitude plants struggle to conserve water. Water loss is higher at higher altitudes due to decreased humidity and lower rainfall. High-altitude wind also contributes. . Deciduous tree leaves lose too much water to live at high altitudes.

Seasons are caused by Earth's rotation angle relative to the sun. Plants must adjust to these temperatures. Deciduous trees lose their leaves and herbaceous perennials fall down to the ground during winter, whereas conifers restrict their activity but continue to photosynthesize.

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An increase in a predator population will directly result in

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An increase in a predator population will directly result in THE DECREASE IN THE PREY POPULATION.

Predation is a biological interaction where one organism feed over another organism and the other organism is harmed. The organism benefited is called predator while the one harmed is called prey. Predator is generally bigger in size than the prey. If the population of predator is increasing it will lead to the decrease in the population of prey as more predators will feed on the prey.

A patient is admitted to the hospital with a diagnosis of abdominal aortic aneurysm. which signs and symptoms would suggest that his aneurysm has ruptured?

Answers

Answer:

fractured rib,internal bleeding,ruptured organ

Explanation:

just took it

An abdominal aortic aneurysm is a bulge or swelling in the aorta, the main blood vessel that connects the heart to the chest and belly (AAA). If it is not discovered in time, a AAA can be dangerous. It might expand over time and rupture, resulting in potentially fatal bleeding.

What is the diagnosis and symptoms of aortic aneurysm?

An AAA often doesn't pose a major hazard to health, but a larger aneurysm could rupture (rupture). Massive internal bleeding from a burst aneurysm can be dangerous and generally fatal.

8 out of 10 people with a rupture either pass away before they reach the hospital or are not successful surgical candidates.

A weak spot in the aorta's wall leads to an abdominal aortic aneurysm. Smoking is the main health risk factor for this condition. Smokers experience a four-fold increase in aneurysm-related deaths compared to non-smokers. An abdominal aortic aneurysm is more common in men than in women.

Therefore, fractured rib,internal bleeding,ruptured organ.

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The bonds or interactions that hold together adjacent nucleotides in the sugar-phosphate backbone of dna are

Answers

The bond is a PHOSPHODIESTER BOND.
In DNA molecule, the bond that is formed between the sugar of one nucleotide and the phosphate of an adjacent nucleotide is a  phosphodiester bond which is a type of covalent bond. Covalent bond involves the sharing of electrons between atoms.
Final answer:

The bonds that hold the adjacent nucleotides together, forming the sugar-phosphate backbone of DNA, are covalent bonds known as phosphodiester bonds. These bonds link the 5' phosphate group of one nucleotide to the 3' hydroxyl group of the next, forming a long polymer of nucleotide monomers.

Explanation:

The bonds or interactions that hold together adjacent nucleotides in the sugar-phosphate backbone of DNA are known as phosphodiester bonds. This bond is formed by dehydration synthesis, where the phosphate group of one nucleotide bonds covalently with the sugar molecule of the next nucleotide. The series of phosphodiester bonds create the backbone, on which nitrogen-containing bases protrude. The 5' phosphate group of one nucleotide links with the 3' hydroxyl group of the next nucleotide, forming a long chain or polymer of nucleotide monomers.

Individual nucleotides combine with each other by covalent bonds known as 5'-3' phosphodiester bonds, with the phosphate group of one nucleotide bonding to the hydroxyl group of the 3' carbon of the sugar of the next nucleotide. As phosphodiester bonding between nucleotides forms the sugar-phosphate backbone, an alternating sugar-phosphate structure composes a nucleic acid strand.

Lastly, the distance between the backbones of the two strands remains constant due to the specific way that complementary bases pair with each other, defined by Chargaff's rules. This, together with Watson, Crick, and Franklin's discovery of the double helix structure of DNA, forms the basis of our contemporary understanding of DNA structure.

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The hybridization of a molecule is measured to determine the shape of the molecule.
a. True
b. False

Answers

I would say false because the hybridization is just how it is formed..

The statement "The hybridization of a molecule is measured to determine the shape of the molecule" is false.

What is hybridization?

Hybridization is a process of mixing orbitals and forming a new or hybrid orbital. It is also called orbital hybridization. In this, the pairing of electrons happens to form chemical bonds. This is called valence bonds theory.

There are four types of hybridization are:

Sp3, sp2, and sp. This is used by the chemist to find molecular geometry. The theory is called the

There are different types of shapes and energy present in the orbitals. The orbitals are s, p, d, and f. The shape of different orbitals is round, bell-shaped, linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.

Thus, the statement is false.

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Males with one copy of an X-linked gene are said to be _________ for that gene.

Answers

kkeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells: Have a higher rate of reproduction. Have permeable membranes. Are much smaller. Have nuclei.

Answers

Eukaryotic cells have a nucleus and Prokaryotic cells do not.

Answer:

The correct answer is the option: 4-Have nuclei.

Explanation:

Hello!

Let's solve this!

The characteristics of prokaryotic cells are:

they have a cell membrane that differentiates them from the rest of the cells, the DNA is circular and is dispersed in the cell

In contrast, eukaryotic cells have a cell membrane, differentiated nucleus and organelles. The DNA is linear and is within the nucleus.

After the analysis, we conclude that the correct answer is the option: 4-Have nuclei.

Is pure water Hypertonic, Hypotonic, or Isotonic?

Answers

Pure water is hypotonic

Hope this helps :)
i believe it is hypertonic

The nurse is required to administer vitamin k to a term newborn. how should the nurse administer this injection

Answers

The lateral aspect of the middle third of the vastus laterals muscle. This muscle is the preferred injection site because it is free of major blood vessels and nerves and is large enough to absorb the medication.

A homogeneous mixture consists of one phase; a heterogeneous mixture consists of two or more phases.
a. True
b. False

Answers

A) true

Hope this helps

What type of transport requires energy to move a molecule?

Answers

Active transport. Only active transport requires extra energy. Unlike diffusion or osmosis

What ecosystems would you expect to have high species richness and low species richness? explain your reasoning

Answers

A rainforest ecosystem would have a more high species riches. There are vast resources such as trees and plants that contribute to animal life. More animals live in these ecosystems because of the environment itself.
A dessert ecosystem would have a low species riches. There is little plant life and low resources for survival. Only animals that have adapted to this environment have a high species rate.

A rainforest ecosystem would have a more species riches. There are vast resources such as trees and plants that contribute to animal life. More animals live in these ecosystems because of the environment itself.

Explain the ecosystem with low species richness?

A dessert ecosystem would have a low species riches. There is little plant life and low resources for survival.

Only animals that have adapted to this environment have a high species rate.

Thus, these two ecosystem expect to have high species richness and low species richness.

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What is the energy source used to drive atp synthase to produce atp?

Answers

The answer to the question asking about the energy source used to drive ATP synthase to produce ATP is called Proton Motive Force. ATP Synthase is an enzyme located in the mitochondria since produce happens at this site of a eukaryotic cell. It consists of a rotating head and a catalyzing end. As protons diffuse to the other side of the mitochondria (inner side) through lipid bilayer of ATP Symthase, it causes the rotating head to move like a motor. This energy is converted to chemical energy in order to bind the phosphate group to the ADP to create an ATP

ATP synthase is a protein that makes the vitality stockpiling particle adenosine triphosphate (ATP). ATP is the most usually utilized "vitality cash" of cells for generally life forms. It is shaped from adenosine diphosphate (ADP) and inorganic phosphate (Pi).

__________ are found only in animal cells and not in plant cells A. Cell walls B. Chloroplasts C. Mitochondria D. Centrioles

Answers

Centrioles, they function in cell division.

Answer:

d

Explanation:

Why are there no plasma proteins in urine?

Answers

They are too large to be filtered out of the blood when blood is filtered in the glomerulus of Bowman's capsule into the nephrons in the kidney.

Place the characteristic into the appropriate category of cell wall type.

Answers

Final answer:

Gram-positive bacteria have a thick layer of peptidoglycan in their cell walls, while plant cell walls are mainly composed of cellulose.

Explanation:

In the context of cell wall types, the characteristic you provided is not specified. However, based on the information provided, the cell wall types mentioned are Gram-positive bacteria and plant cell walls. Gram-positive bacteria have a thick layer of peptidoglycan in their cell walls, while plant cell walls are mainly composed of cellulose. It is important to note that the information provided does not directly give a characteristic to place in a specific cell wall type category.

_______ is the term for when heterozygous offspring have superior fitness than their homozygous parents.

Answers

Hi I am going to send you a copy of the copy of your copy of the copy of my copy of the copy of copy copy of the copy and send me the copy of the copy and copy of the copy of copy copy of the copy of copy copy of the copy of my account I have no copy and I don’t believe you have no

Scientists are studying compounds in a newly discovered rain forest plant. The plant produces an unusual substance that local people from the area say acts as an anesthetic. If another scientist tests the substance using iodine, which macromolecule is the scientist testing for? a. Carbohydrates b. Protein c. Nucleic Acid d. Lipid

Answers


A. Carbohydrates
hope this helps :)                           

Answer:

a. Carbohydrates

Explanation:

Iodine is used to test for carbohydrates, specifically starch. Iodine changes color in the presence of starch from a brown color to a more blue black color. The answer is a bit untrue because other carbohydrates are tested differently but the closest one to the correct one (starch) is carbohydrates, which is one of many carbohydrates

What functions of the body are most obviously affected by alcohol?

Answers

Those controlled by the brain.

Genes that actively control the expression of a trait are referred to as:

Answers

Your answer is dominant genes

A patient complains of difficulty passing stools, which are small, hard lumps. according to the bristol stool form scale, what would be the classification of these stools?\

Answers

Type 1 stools are detached, hard lumps that be similar to nuts that are tough to pass. Type 3 stools are like a sausage, but with pops on the surface. Type 5 stools are mushy blobs with clear-cut ends that are passed effortlessly. Type 6 stools are cottony pieces with raggedy edges.
Final answer:

The small, hard, lump-like stools a patient is having difficulty passing would be classified as Type 1 on the Bristol Stool Form Scale, typically indicating constipation.

Explanation:

According to the Bristol Stool Form Scale developed by Heaton and Lewis at the University of Bristol, the description of the patient's stools as small, hard lumps would fall under Type 1. This type is characterized by separate hard lumps, like nuts, which are hard to pass, correlating with the patient's complaint of difficulty passing stools. This classification is generally indicative of constipation, often linked to a diet low in fiber and insufficient fluid intake.

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The mechanisms responsible for producing our experience of depth are also responsible for our perception of:

Answers

The one responsible for producing experience of depth is responsible for illusions. Illusions are images of which things aren’t the usual or they don’t depict an image that it is considered to be usual. It is some sort of imagery or perceiving something that exist though it is different in form.

Where are the cells of the adaptive immune system found in humans?

Answers

In the B cells- Bone marrow and the T cells- thymus(organ)

What is the best explanation from the nurse as to why a client must return to the unit in 48 hours after having a tuberculin skin test intradermal?

Answers

A tuberculin skin test  is done to see if the patient has ever been exposed to the bacteria that causes tuberculosis (Mycobacterium tuberculosis). The test is done by putting a small amount of antigens of the bacteria under the skin.
 If the patient was exposed, there will be a firm red bump where the antigens were placed but it would take 2 days to see the results so the patient needs to come back again after that time.

A relationship between two organisms in which both members benefit is said to be

Answers

A relationship between two organisms in which both members benefit is said to be mutualism.
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