Question

1)Suppose that individuals in a population of beetles differ in the extent of a dark pigment in their coloration. Dark-colored beetles are at a higher risk of predation by birds on light-colored soils. Under what circumstance would the coloration of the beetles most likely remain constant, despite the differential predation?
a)The coloration is due to the activity of numerous genes, each with relatively small effects.
b)The coloration is due to the activity of a few genes, each with relatively large effects.
c)The coloration is strictly due to environmental factors.
d)The coloration is due to the activity of genes that regulate the activity of other genes.

2) Mistakes in the replication of DNA

a)occur when an organism requires them.

b)are most often beneficial to the individual.

c)are always repaired.

d)provide genetic variation.

e)are always deleterious to an organism.

answer both please

Answer 1

1. b) the coloration is due to the activity of a few genes, each with relatively large effect.

2. d) provide genetic variation.

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