A population of songbirds breeds in the summer at location A and winters at location B. If half the population begins staying at location B year-round, which of the following is most likely to happen?

MATCH one of the chapter terms to the definition below: An alteration in the base-pair sequence of an individual’s DNA. (enter your number choice):

What is the advantage of kin selection?

MATCH one of the chapter terms to the definition below: The case in which the sexes of a species differ in size or appearance. (enter your number choice):

A blue jay that aids its parents in raising its siblings is increasing its

Molecules that have the ability to cut DNA at a specific site are called

Following electrophoresis, a gel reveals different sized bands of DNA. These different-sized segments were made by cutting the DNA with

MATCH one of the chapter terms to the definition below: Describes an allele whose phenotypic effect is masked by a dominant allele for a trait. (enter your number choice):

Suppose that in a certain community in London there were equal numbers of red-haired and green-haired individuals. (None of them dyed their hair. ) This hair-color trait was controlled by a single pair of alleles that followed the patterns of simple Mendelian dominance. Two people with red hair sometimes have children with green hair, but two people with green hair never have children with red hair. We can conclude that:

What makes the cell theory a scientific theory?