The position of a cell within an embryo during embryonic development determines

a. which genes will be knocked out.
b. the gender of the embryo.
c. whether the cell will differentiate.
d. which master genes are turned on.
e. whether maternal mRNAs will be translated.


ANSWER: d

Biology & Microbiology

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Fill in the blank(s) with correct word

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In prokaryote genetics, Conjugation can be defined as the:

A. Direct transfer of DNA from one bacterial cell to another B. Use of a bacteriophage (bacterial virus) to transfer DNA between cells C. Naked DNA is taken up from the environment by bacterial cells D. Frameshift mutation

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Freshwater fish must excrete ______ and actively accumulate _______

a. water; urea b. urea; water c. salt; urea d. water; salt e. urea; water

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How does an RFLP help identify sickle-cell anemia?

What will be an ideal response?

Biology & Microbiology