You are looking at the color of feathers in ducks and find that yellow ducks (y) are dominant to green ducks (y). however, a second gene, h, controls whether the color will be expressed in the feathers.
if the duck is hh, the duck will always be white, because the pigment does not go into feathers.
what ratio of phenotypes would you expect following a dihybrid cross?
a) 9: 6: 1
b) 9: 3: 4
c) 13: 3
d) 15: 1
Answers: 2
Biology, 21.06.2019 23:50, jaiyaharoldjh
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
Answers: 2
Biology, 22.06.2019 16:00, russelllang606
Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.
Answers: 1
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