generic · 12th TN - English Medium · ZOOLOGY · Page 58

Barr body

Chapter 3: 4. Luteal or secretory phase · ZOOLOGY · EN medium

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In , Barr and Bertram first observed a condensed body in the nerve cells of female cat which was absent in the male. This condensed body was called sex chromatin by them and was later referred as Barr body . In the XY chromosomal system of sex determination, males have only one X chromosome, whereas females have two. A question arises: how

📖 Class 12 Zoology English 2024 Edition www.tntextbooks.in · Page 58

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In , Barr and Bertram first observed a condensed body in the nerve cells of female cat which was absent in the male. This condensed body was called sex chromatin by them and was later referred as Barr body . In the XY chromosomal system of sex determination, males have only one X chromosome, whereas females have two. A question arises: how

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