A research team studied a large lizard population in the Sonoran Desert of Arizona. In these lizards, gene A is one gene that affects the color pattern on the dorsal surface of the lizard’s body. In 2010, the research team sampled a large number of lizards and determined the genotypes of the lizards for the A gene. They found the following genotype frequencies: A1A1 = 0.17, A1A2 = 0.15 A2A2 = 0.68. What is the frequency of the A1 allele? 0.49 0.5 0.34 0.17 0.245 0.755 0.15

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Arclight Arclight · Answer 1 · 2019-08-08T18:06:58+02:00

Answer:

Option A, [tex]0.49[/tex]

Explanation:

As per Hardy Weinberg equation -

[tex]p^2[/tex] is the frequency of occurrence of genotype [tex]A_1A_1[/tex]

The frequency of allele [tex]A_1[/tex] will be equal to square root of frequency of [tex]\sqrt{p_2}[/tex]

Substituting the given value in above equation, we get -

Frequency of allele [tex]A_1= \sqrt{p^2}[/tex]

Frequency of allele [tex]A_1 = \sqrt{0.17}[/tex]

Frequency of allele [tex]A_1= 0.412[/tex]

So the nearest option is option [tex]0.49[/tex], i.e option A