Prokaryotes
a. enclose all their dna in the nucleus
b. have a cell membrane
c. do not perform mitosis.
d. have their dna in a single chromosome shaped in a circle

Option (b), (c) and (d).

Explanation:

Prokaryotes lacks the membrane bound organelle and the nucleus is absent in the prokaryotes. Prokaryotes includes only the simple organism like bacteria.

Prokaryotes have the cell wall and the cell membrane. Prokaryotes multiply by asexual reproduction and mitosis is absent in prokaryotes. The prokaryotes have single circular shaped chromosome DNA prsent inside the nucleoid.

Thus, the correct answer is option (b), (c) and (d).

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explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

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