A hypothetical population has two alleles for an "T" gene: T and t. In a random sample of 50 diploid zygotes (for a total of What is the frequency of the homozygous recessive genotype? alleles), the following genotypes were found: 15 TT, 25 Tt, and 10 tt. O A. 0.45 O B. 0.20 O C.0.50 O D.0.55

A hypothetical population has two alleles for an "T" gene: T and t. In a random sample of 50 diploid zygotes (for a total of What is the frequency of the homozygous recessive genotype? alleles), the following genotypes were found: 15 TT, 25 Tt, and 10 tt. O A. 0.45 O B. 0.20 O C.0.50 O D.0.55

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

A hypothetical population has two alleles for an "T" gene: T and t.
In a random sample of 50 diploid zygotes (for a total of
What is the frequency of the homozygous recessive genotype?
O A. 0.45
alleles), the following genotypes were found: 15 TT, 25 Tt, and 10 tt.
O B. 0.20
OC.0.50
O D.0.55

Expert Solution

Hardy Weinberg principle

According to the hardy Weinberg principle p²+2pq+q²= 1.

^p2= Dominant homozygous

2pq= heterozygous

q²= recessive homozygous.

For the current question, the answer will be 0.20

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