4. A woman who is heterozygous for freckles and a carrier for PKU disease marries a man who is also heterozygous for freckles and a carrier for PKU disease. List the
probability for each of the four possible phenotypes (not genotypes) in their offspring.

please help with this question

What must be true for natural selection to heppen

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12