Your answer is CORRECT In her only clutch, a single female Eggy Beetle produces

Question

Your answer is CORRECT In her only clutch, a single female Eggy Beetle produces thousands of tiny eggs each year. The egg size. Heritability for egg size is moderate, h? being equal to 0.25 n of the survival of young Eggy Beetles, favoring the evolution of larger predicted over a FIVE year span if the selection differential is 100mg and heritability does not change in member that R=S"h"where R is the response to selection, S is the selection di ferential and h is the narrow sense heritability a) 25 mg increase b)C 25 mg decrease c)C 75 mg increase d) 75 mg decrease e) e 125 mg increase in egg size.

Explanation / Answer

answer is 125 mg increase in egg size.

Every year in the presence of a paprasite, the egg size increases.

h2 = 0,25 and S is 100 mg

In a year i nthe presence of parasite, the change is egg size, R = S * h2

= 100 * 0.25

= 25 mg

SO for every year in the presence of the parasite, the egg size increase by 25 mg

Therefore for a span of 5 years, the change in egg size = 5 * 25 =125 mg increase

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