Home › TS EAMCET › Biology › Principles of Inheritance and Variation › Why is colour blindness far more common in males…
Why is colour blindness far more common in males than in females?
AMales have two copies of the gene
BMales have only one X chromosome
CFemales lack an X chromosome
DIt is carried on the Y chromosome
Answer & Solution
Correct answer: B. Males have only one X chromosome
The gene lies on the X chromosome and a male has no second X to mask the recessive allele.
Related questions
The total number of chromosomes in a normal human cell is what?Polyploidy is often seen in which group of organisms?Absence of one chromosome of a pair is termed what?Klinefelter's individuals have which feature besides masculine development?Turner's syndrome results from what chromosomal change in females?Who first described Down's syndrome in 1866?Chromosomal disorders arise from absence, excess or abnormal what?Alpha thalassemia involves genes on which chromosome?