What phenotypic ratio would be expected in a cross between two pink snapdragon plants? There is incomplete dominance in snapdragons: ir is red, ww is white and rw is pink A. All pink
B. 1 red 1 white
c. 1 red 1 pink
D. 1 red 2 pink 1 white

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

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