Multiple choice

Chromosomal theory of inheritance was based on

  1. segregation of genes

  2. diploidy and haploidy

  3. sex linkage

  4. presence of sex chromosomes
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A Correct answer
Explanation

The behaviour of homologous chromosomes during meiosis (their segregation) and independent assortment) and their reunion in fertilisation confirmed that the genetic material occurs in the chromosomes and formed the basis of chromosomal theory of inheritance. Which is propounded independentaly by Sutton and Boveri in 1902. A karyotype composed of two identical sets of dissimilar chromosomes is called diploid set and of single set of chromosomes is called haploid set.

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