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vesna_86 [32]
3 years ago
10

Select all that apply.

Biology
2 answers:
Airida [17]3 years ago
8 0

the female and male part is the stamen and pistil

Mice21 [21]3 years ago
5 0

Answer:

For the male part of a flower, it is called a stamen. For a female, it would be called the pistil.

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Round pea allele R is dominant to wrinkled pea allele r, while yellow pea allele Y is dominant to green pea allele y. Homozygous
allsm [11]

Answer:

RrYy (F1 generation)

Explanation:

This is a typical dihybrid cross involving two genes in the pea plant; one coding for seed colour and the other for seed shape.

According to Mendel's law of dominance, an allele is capable of masking another allele in a gene, the allele that masks or is expressed is called the DOMINANT allele while the allele being masked is called RECESSIVE allele.

Homozygosity of a gene refers to it having the same type of alleles while heterozygosity refers to having different alleles.

In this example, allele for Round (R) and Yellow (Y) pea is dominant over the allele for Wrinkled (r) and green pea respectively.

Homozygous round green pea (RRyy) crossed with Homozygous wrinkled yellow (rrYY) will give rise to a heterozygous round yellow (RrYy) F1 offsprings.

4 0
3 years ago
Why a genetic bottleneck can be an important evolutionary factor for a species
melisa1 [442]

Answer:

Genetic drift decreases genetic diversity within a population.

Explanation:

Genetic drift decreases genetic diversity within a population. It is a change in allele frequencies due entirely to random chance and is more likely to affect smaller populations than large ones. Population bottlenecks can lead to genetic drift.

6 0
2 years ago
A woman of blood group A has a child with a man of blood group B. The child's blood is type O. What are the genotypes of the par
djyliett [7]

Answer:

Woman's genotype is AO

Man's genotype is BO

Explanation:

For a woman with blood group A and a man with blood group B to give birth to a child with blood group O. Their genotypes will be:

Woman's genotype is AO

Man's genotype is BO

The can have a child with blood group A, B, AB and O

1/4 will have type AB blood group;

1/4 will have AO, which is type A blood group;

1/4 will have BO, which is type B blood group;

1/4 will have OO, which is type O blood group

3 0
3 years ago
Read 2 more answers
Since there are no genes coding for carbohydrates and lipids, how do cells produce them?
lina2011 [118]
<span>Cell code for enzymes that can convert other molecules into carbohydrates, nucleic acids and lipids. Humans can synthesize 11 out of the 20 amino acids and bacteria can synthesize all 20. Plus bacteria can synthesize many of the vitamins that humans cannot, including vitamin C. As far as humans are concerned, we can make carbohydrates and glycogen from glucose. We use some amino acids to make nucleic acids and we can synthesize lipids and cholesterol from acetyl coA. There are certain types of fatty acids we can't synthesize and we must get them from our diet.</span>
8 0
3 years ago
Simulate a 24-hour day (12 hours of light, 12 hours of dark). How many snails and plants do you need to keep a stable environmen
Lisa [10]

Answer:

One snail for two plants.

Explanation:

One snail and two plants we need to keep a stable environment because the snails help to clean up garden debris by feeding on them and their feaces has nitrogenous nature which is nutritive for the plants. So the plants get nutrients from the snail as well as carbondioxide gas used by the plants for the process of photosynthesis. So we can say that snails are important for maintaining a stable environment.

6 0
2 years ago
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