The karyotype indicates a problem with chromosome 18. what is the problem and what is the best explanation for why it occurred?
a) extra chromosome; insertion
b) foreign chromosome; deletion
eliminate
c) extra chromosome; nondisjunction
d) mutated chromosome; crossing over

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Wich organism obtains its energy from dead or decaying matter

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of