Which of the following is an example of a non-Mendelian disorder?

  • A
    Thalassemia
  • B
    Haemophilia
  • C
    Cystic fibrosis
  • D
    Down's syndrome

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Similar Questions

Feminized males have . . . . . . chromosomes.

Edward's syndrome,Patau's syndrome,and Down's syndrome are due to:

When the chromosome number of a given organism has one additional chromosome in one of the homologous pairs,the condition is known as . . . . . .

Given below are two statements :
Statement $I$ : Down's syndrome is caused by the absence of one of the $X$-chromosomes.
Statement $II$ : Turner's syndrome is caused by the presence of an additional copy of the chromosomes.
In the light of the above statements, choose the correct answer from the options given below :

Due to non-disjunction of chromosomes during spermatogenesis,sperms carry both sex chromosomes $(22A + XY)$ and some sperms do not carry any sex chromosome $(22A + O)$. If these sperms fertilize normal eggs $(22A + X)$,what types of genetic disorders appear among the offspring?

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