This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Chapter 22 - Variation and Genetics -1
1.
Normal individuals have _______ pigment in their skin, hair and eyes:
a) Albumin
b) Eosin
c) Melanin
d) Safranin
2.
The contrasting pairs of alleles for all the seven characters chosen by Mendel showed _______:
a) Codominance
b) Incomplete dominance
c) Complete dominance
d) Over dominance
3.
When Correns self fertilized F
1
pink the F
2
showed all three phenotypes of flowers in the ratio:
a) 2 red : 1 pink : 1 white
b) 1 red : 2 pink : 1 white
c) 1 red : 1 pink : 1 white
d) 1 red : 2 pink : 2 white
4.
The ABO blood group system is encoded by a single polymorphic gene I. It has three multiple alleles ________:
a) I
A
, I
B
, I
O
b) I
A
, I
B
, I
AB
c) I
A
, I
B
, l
i
d) I
A
, I
B
, I
i
5.
Rh blood group system is encoded by three genes C, D and E which occupy ______ tighly linked loci:
a) Three
b) Five
c) Four
d) Two
6.
When mother’s anti − Rh antibodies seep through placenta into blood circulation of foetus, they start _______ of RBC of foetus:
a) Hemolysis
b) Plasmolysis
c) Deplasmolysis
d) Crenation
7.
Man has _______ linkage group:
a) 21
b) 27
c) 23
d) 25
This is more feedback!
This is the feedback!
