In humans division of chromosomes is as under:
Correct answer: D. 22 pairs of autosome, one pair of sex chromosomes
- A. 23 autosome, one pair of sex chromosomes
- B. 22 autosome, one pair of sex chromosomes
- C. 23 pairs of autosome, one pair of sex chromosomes
- D. 22 pairs of autosome, one pair of sex chromosomes
Explanation
T.H. Morgan classified the chromosomes into two functional categories i.e. autosomes and sex chromosomes.
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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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