Female rarely experience the physiologic defect of haemophilia because they do so only when they are

  • A
    Heterozygous for the defect
  • B
    Homozygous for the defect
  • C
    Carrier for the defect
  • D
    Wives of haemophilic husbands

Similar Questions

Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is hetrozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X-$linked as well as autosomal allele is

In the above pedigree, assume that no outsider marrying in, carry a disease. Write the genotypes of $C$ and $D$.

Write short note Haemophilia .

It is said, that the harmful alleles get eliminated from population over a period of time, yet sickle cell anaemia is persisting in human population. Why ?

Genes for colour blindness is carried by

$I.$ Abnormal development

$II.$ Father

$III.$ Mother

$IV.$ Autosomes