Question

Read the following statements (A - D)
A. Each cell contains a pair of sex-chromosomes in higher organisms.
B. Genes located on the same chromosome never show linkage.
C. One of the first mutant alleles studied by Morgan for his work on linkage in Drosophila was the red eye colour.
D. Morgan supported chromosomal theory of inheritance.
The statements having mistakes are

• A. A and D only
• B. B and C only
• C. A and C only
• D. A, C and D

Answer 1

The correct option is B B and C only

A- False - Somatic cells doesnt have sex chromosomes.

B- False - Genes on same chromosome will show linkage.

C- False

D- True - The chromosome theory of inheritance, or the idea that genes are located on chromosomes, was proposed based on experiments by Thomas Hunt Morgan

So, the correct option is 'B and C only'.