Biology, asked by sahana903, 11 months ago

what are bar bodies​

Answers

Answered by okr9861
0

Explanation:

it is bar or barr??????????

Answered by Pɪᴋᴀᴄʜᴜɢɪʀʟ
1

Explanation:

A Barr body (named after discoverer Murray Barr)[1] is the inactive X chromosome in a female somatic cell,[2] rendered inactive in a process called lyonization, in those species in which sex is determined by the presence of the Y (including humans) or W chromosome rather than the diploidy of the X. The Lyon hypothesis states that in cells with multiple X chromosomes, all but one are inactivated during mammalian embryogenesis.[3] This happens early in embryonic development at random in mammals,[4] except in marsupials and in some extra-embryonic tissues of some placental mammals, in which the father's X chromosome is always deactivated.[5]

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