What is a point mutation?
a. the movement of a gene from one location to another in the chromosome
b. a single base pair change
c. deletion of a gene
d. rearrangement of the gene order within a chromosome
e. movement of a gene between different species

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.