#Question id: 5323
#XL - T Zoology
An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?
#Question id: 5324
#XL - T Zoology
In eusocial insects, males develop from unfertilized eggs while females develop from fertilized eggs. The ultimate consequence of this difference is that
#Question id: 5325
#XL - T Zoology
Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. A normal man whose sister has cystic fibrosis, his normal wife whose brother has cystic fibrosis. What is chance of cystic fibrosis in their child?
#Question id: 5326
#XL - T Zoology
The recessive allele located on heterozygous locus present on X-chromosome in female is conclude as
#Question id: 5327
#XL - T Zoology
In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?
#Question id: 5328
#XL - T Zoology
Which of the following mode of inheritance of genetic disorder?