If a normal child is born to normal parents who are heterozygous for albinism. What is the probability of normal child being heterozygote?
If normal parents have an albino, what is the probability that their next child will be normal?
Cross between two parents of genotype- (male) AaBbccDdee and (female) AabbCcDdee will give progenies out of which how many will have same genotype as that of female parent?
Number of different types of gametes produced by genotype AABBCCDDEEFFGGHH will be
a. 20
b. 2
c. 102
d. zero
In humans, curly hair is dominant (C) to straight hair (c). A woman who is heterozygote for curly hair marries to a normal man. What will be the probability of first and second child having curly hair?
Coloured endosperm (C) is dominant to colourless endosperm (c) while smooth seeds (S) are dominant to wrinkled seed (s) and Waxy endosperm (W) is dominant to starchy endosperm (w). What is the genotype of Homozygous colourless, smooth and waxy endosperm and homozygous coloured, wrinkled and starchy endosperm?
a. ccSSWW and CCssWW
b. ccSSWW and CCssww
c. CCSSWW and CCssww
d. ccSSWW and CCSSww
Coloured endosperm (C) is dominant to colourless endosperm (c) while smooth seeds (S) are dominant to wrinkled seed (s) and Waxy endosperm (W) is dominant to starchy endosperm (w). Cross is made between pure dominant trait and pure recessive trait parents, what will be the genotype of F2 progenies that will be coloured wrinkled and waxy?
Coloured endosperm (C) is dominant to colourless endosperm (c) while smooth
seeds (S) are dominant to wrinkled seed (s) and Waxy endosperm (W) is dominant
to starchy endosperm (w).what will be the ratio of F2 progenies that will be
coloured wrinkled and waxy?
1. 9/64
2. 1/64
3. 3/64
4. 7/64
Eye colour in humans is controlled by a single pair of gene where B i.e. brown is dominant to b i.e. blue. What will be the genotype of a brown eyed man who marries a blue eyed lady and has blue eyed child?
a. BB
b. Bb
c. BB and Bb
d. bb
if two brown eyed people marry each other and each one had one blue eyed parent. What is the proportion of eye colour in their offspring?
a. 3:1
b. 1:4
c. 1:2
d. 2:2