(a)Haemophilia and colour blindness are x-chromosome linked recessive disorder. Males have only one copy of x-chromosome and one y-chromosome. The genes on these chromommee do not have corresponding alleles. Therefore, the presence of only single defecti
Why is hemophilia considered to be a sex-linked trait? Is DMD autosomal recessive? Are autosomal recessive traits x-linked? Is Rh factor autosomal dominant? How to tell if a cross is autosomal autosomal recessive? Is ALS an autosomal dominant gene? Why don't deleterious recessive alleles disapp...