A dog (Canis familiaris) has 78 diploid number of chromosomes. How many chromosomes would be present in its egg cell?

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156

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None of the above

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Solution

The correct option is A 39
The only cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome. When two reproductive cells unite, they become a single cell that contains two copies of each chromosome. This cell then divides and its successors divide numerous times, eventually producing a mature individual with a full set of paired chromosomes in virtually all of its cells.

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How many chromosomes shall be present in diploid cell at mitotic anaphase if it's egg cell has ten chromosomes
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What is diploid number of chromosomes in dog?

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