Number of Barr bodies in XXXX female is:
Correct answer: C. 3
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
C is is the correct answer. In individuals with quadruple X chromosomes (XXXX), three of the X chromosomes are inactivated, resulting in three Barr bodies.
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About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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