3. What is the chromosome theory of inheritance? How does this theory explain Mendel's results?

Expert Solution

Chromosome theory of inheritance

This theory states that chromosomes are the carriers of genetic material in the next progeny. this theory is given by Sutton and Boveri. The chromosome theory of inheritance also explains the mechanism of genetic information transfer in next-generation through chromosomes. As we know chromosome is a condensed form of DNA. There are homologous pairs of chromosomes present in diploid organisms

homologous chromosomes are those pair which are structurally same as well as they have same gene loci

Mendle called factor which passes from one generation to next . he said this factor has two copies like T and t in the same cell. now we know that these factors are nothing but genes. in a diploid organism, these genes have two copies, those pairs of genes are present on the pair of homologous chromosomes.

so all laws Mendel given are applicable to chromosomes also. The one major exception can occur if those genes are linked genes. linked genes are closely placed genes on a chromosome which can violate the law of independent assortment

gladiator answered 2 years ago

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