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Principles Of Inheritance And Variation

Question
CBSEENBI12003373
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Which of the following occurs due to monosomy of sex chromosome

  • Down's syndrome

  • Turner's syndrome

  • Haemophilia

  • Sickle cell anaemia

Solution

B.

Turner's syndrome

Turner's syndrome is caused due to the absence of one of the X chromosomes i.e., 45 chromosomes total with sex chromosomes as XO. Such females are sterile as ovaries are rudimentary. Besides this, other features include lack of other secondary sexual characters, etc.

Some More Questions From Principles of Inheritance and Variation Chapter

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