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Blood groups and genetic linkage View More.
Life histories role in animal reproductive systems In animal reproductive system In animal reproductive system:
Sexual reproduction plants In plant:
Sexual reproduction plants In plant:
Atom, smallest unit into which matter can be divided without the release of electrically charged particles.
This deactivated X chromosome can be seen as a small, dark-staining structure—the Barr body —in the cell nucleus.
Recessive sex-linked traits, such as hemophilia and red—green colour blindnessoccur far more frequently in men than in women.
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A woman who inherits the recessive allele for a sex-linked disorder on one of her X chromosomes may, however, show a limited expression of the trait.
In most species of animals the sex of individuals is determined decisively at the time of fertilization of the egg, by means of chromosomal distribution.
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When any cell in the body divides, except….
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