1- The tendency of an offspring to resemble its parent is known as?
Variation
Heredity
Resemblance
Inheritance

2- Homozygosity and heterozygosity of an individual can be determined by??
Back cross
Self-fertilization
Test cross
None

3- The geometrical device that helps to find out all the possible combinations of male and female gametes is known as?
Bateson Square
Mendel Square
Punnett Square
Mendel’s Cube

4- Cri du-chat syndrome is due to the deletion of chromosome?
10
4
5
12

5- Genotypic ratio of monohybrid cross ratio is?
3:1
1:2:1
9:3:3:1
None

6- How many phenotypes of ABO blood group are possible?
3
4
5
6

7- Rh blood group system is due to the presence of antigen?
E
Z
B
D

8- Holandric genes are present on?
autosomes
X
Y
All

9- X-linked dominant traits are mostly occured in?
Males
Females
Both
None

10- Identify amino acids having sulphur?
G
N
Q
C

11- Amino acid which can acts as a acid and base is?
W
H
C
T

12- Cofactor which bind covalently to the enzyme is?
cofactor
coenzyme
prosthetic group
All

13- Calmodulin has ——sites for calcium binding?
3
2
4
5

14- Haemoglobin has which structure??
primary
secondary
tertiary
quaternary

15- Which cofactor is required by carbonic anhydrase??
Mg
Mn
Co
Zn