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mr_godi [17]
2 years ago
15

What is a allele in simple words

Biology
1 answer:
sammy [17]2 years ago
3 0

Answer:

An allele is one of two or more versions of a gene. ... If the alleles are different, the individual is heterozygous. Though the term allele was originally used to describe variation among genes, it now also refers to variation among non-coding DNA sequences.

Explanation:

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Hardy Weinberg Practice Problems To demonstrate your understanding of the Hardy-Weinberg equilibrium, answer each question caref
andriy [413]

Assuming that the affection is a recessive trait caused by a single diallelic gene, the percentage of the population that possess the heter0zyg0us advantage is 32%.

<h3>Available data</h3>

  • 1000 of African people population
  • 4% of the population is born with sickle cell anemia

100% of the population -------------------- 1000 individuals

4% of the population with anemia------- X = (4 x 1000) / 100 = 40

0.04 is the frequency of individuals with sickle cell anemia.

Assuming that the affection is a recessive trait caused by a single diallelic gene, we can get the allelic frequency as follows.

  • The genotypic frequency is q² =  0.04
  • The allelic frequency is q = √0.04 = 0.2

Having the recessive allelic frequency, we can get the dominant allelic frequency, by clearing the following equation,

p + q = 1

p = 1 - q

p = 1 - 0.2

p = 0.8

So, the allelic frequencies are

p = 0.8

q = 0.2

To get the heter0zyg0us frequency, we just need to replace the values

2pq = 2 x p x q = 2 x 0.2 x 0.8 = 0.32

The frequency of the heter0zyg0us genotype is 0.32 = 32%.

32% of the population possess the heterozygous advantage.

You can learn more about Hardy-Weinberg equilibrium at

brainly.com/question/8667324

6 0
2 years ago
Bees see the colors yellow and blue, but not red. Flowers that need to be pollinated by bees are mostly yellow of blue. What typ
Inga [223]

Answer:

Natural Selection

Explanation:

In natural selection process of evolution, traits that are essential for an individual to be fit enough to survive under environmental stress become dominant.

Since the flowers are of blue or yellow color, it is essential for a bee to be able enough to perceive the blue and yellow color. Hence, the eyes of bee with time have evolved to perceive these two color so that they can pollinate flower.

5 0
2 years ago
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