If mother is colour blind and father is normal then what will be the percentage of colour blind child (male and female ) in F1 progeny?
plz answer the problem of X -linked recessive trait
plz answer the problem of X -linked recessive trait
1 Answer
Assuming that colour blindness is the recessive trait, 100% of the males will be color blind, and 0% of the females will be.
Explanation:
Since the F1 progeny refer to the direct descendants:
Let
If the father is normal, he has genotype
If the mother is colour blind, she is homozygous recessive, with genotype
Thus, all male children will inherit the
On the other hand, all female children will inherit the dominant
Fancy words used:
Allele = version of a gene
Homozygous = both copies of the gene are the same, e.g.
Heterozygous = the two copies are different, e.g.