Question

Difine chromosomes in short?

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Answer 1

Answer:

inside the fertilized egg or zygote is the instruction for determining the sex of the baby e this instruction is present in the thread like structure called chromosome in the fertilized egg.

all human being have 23 pairs of chromosome in the nuclei of their cell to chromosome of the these are the sex chromosome named X and Y

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Answer 2

Answer:

this is answer