If fruit weight in a plant was measured and following categories were obtained- 25g;30g;35g;40g;45g;50g;55g.Then, how many genes are involved for controlling fruit weight?
a. 2
b. 3
c. 5
d. 7
If a character is controlled by 5 alleles, what will be the number of genotype in this case?
What phenotypic ratio will be there when selfing of a trihybrid is performed in which two gene pairs are completely dominant and one gene pair is codominant?
If dihybrid mulatto male (AaBb) is crossed with white female(aabb), then the ratio of mulatto and white offspring will be-
In a test cross of F1 generation, having a genotype AaBb, following progeny were obtained
AaBb- 450
aabb – 450
Aabb- 50
aaBb- 50
How far in centimorgans are the a and b genes?
a.100
b.90
c.10
d.1
The distance between gene A, B, C and D on a chromosome is as follows:
A and C - 18 units
A and B - 26 units
A and D - 40 units
B and C - 8 units
B and D – 14 units
The sequence of these genes would be-
Which of the following is an autosomal recessive blood disease?
Which of the following are correct with respect to Thalassemia?
Read the following statements with respect to Thalassemia and find the wrong one.
How sickle cell anaemia is different from Thalassemia?
(1) Being autosomal recessive
(2) Being a blood disease
(3) Being a qualitative disorder
(4) Involvement of mutation