Lee Ann has two fish. One is heterozygous for orange color, and the other is homozygous recessive for black color. Lee Ann decides she wants to breed her fish, but she wants to know ahead of time how many fish of each color will hatch.
Which choice below shows the correct alleles for fish color?

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

How can you tell the difference between rough er from smooth er?