Question

An allele exists at a frequency of 0.7 in its population. Assuming the population is in Hardy-Weinberg equilibrium, what will its frequency be in the next generation? A.0.7 B. 1.0 003 0.0.21 E: 0.42 > Moving to the next question prevents changes to this answer. Question 5 of 9

i'm not sure which of these are right, but this is what I was guessing

Answer 1

ANSWER

FIRST QUESTION : Correct option is A (i.e., 0.7)

EXPLANATION: Hardy-Weinberg principle states that in absence of evolutionary forces (mutation, migration and natural selection), the allelic and genomic frequencies in a large randomly mating (panmictic) population will remain same from generation to generation. So if an allele exists at a frequency of 0.7 in one generation of a population in Hardy-Weinberg equilibrium, in the next generation the frequency of the allele will remain unchanged at 0.7.

The values in other options are incorrect as they don't reflect on the Hardy-Weinberg principle. The population must be infinitely large and randomly mating. Evolutionary forces should be absent. For Hardy-Weinberg principle to apply, the gene pool of the population must be closed to addition or loss of alleles. The other values don't remain constant in the next generation and are thus invalid.