Notifications
Clear all
0
23/09/2020 7:18 pm
Topic starter
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
(a) 50%
(b) 25%
(c) 100%
(d) no chance
1 Answer
0
23/09/2020 7:20 pm
(b) 25%
Explanation:
Genotype of carrier parents is – Aa (male parent) × Aa (female parent)
AA= normal child (25%)
Aa = carriers child (50%)
aa = affected child (25%)