QUESTION 32 Why are most selection coefficients small? If the selection coefficient is too high, the population will be

[answerhappygod]

Question 32 Why Are Most Selection Coefficients Small If The Selection Coefficient Is Too High The Population Will Be 1 (126.05 KiB) Viewed 175 times

QUESTION 32 Why are most selection coefficients small? If the selection coefficient is too high, the population will be extirpated There is not enough standing genetic variation for natural selection to act on. It is harder to measure larger selection coefficients. Many genes aren't essential under normal conditions. Balancing selection prevents deleterious mutations from accumulating. QUESTION 33 Which of the following is an example of macroevolution? Different numbers of species evolving in situ on islands of different sizes. Change in the proportion of predatory species in a fauna after a mass extinction. Competitive displacement of one species by another species. Change in allelic frequencies over time in a population. Plesiomorphic characters being basal (near the root) in a phylogeny. QUESTION 34 Vestigial features are not acted on by natural selection. True False