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CBSE Class 10 Answered

<div>what are the chromosomes XY and XX know as ? why are they called so ?</div>
Asked by mkhandelwal | 21 Nov, 2015, 10:21: PM
Expert Answer
The chromosomes X and Y are referred to as sex chromosomes. They are called so because they are involved in the determination of sex of an individual. The combination of X and Y chromosomes determines a person’s sex. Human females have two X chromosomes (XX) while males possess one X and one Y chromosome (XY). This XY sex-determination system is found in most mammals as well as some reptiles and plants.
Answered by Sheetal Kolte | 22 Nov, 2015, 03:37: PM

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