In the punnett square shown in figure 11-1 which of the following is true about the offspring?
a. about half are expected to be short.
b. all are expected to be short.
c. about three-fourths are expected to be tall
d. all are expected to be tall.

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food