Genetics 1

Question 1

Humans knew from as early as ___________. that
one of the causes of variation was hidden in sexual
reproduction

Answer 1

8000-1000 B.C.

Question 2

Where is Sahiwal cows from

Answer 2

Punjab

Question 3

Failure in ______________ results in polyploidy

Answer 3

cytokinesis after telophase

Question 4

Color blindness occurs in ___ % males and ____% females

Answer 4

8

0.4

Question 5

mRNA for Glutamic acid? for Valine?

Answer 5

GAG, GUG

Question 6

α Thalassemia is controlled by two closely linked genes ________________ on chromosome ___
It is observed due to ________________

Answer 6

HBA1 and HBA2, 16

deletion or mutation of one or more of the four genes

Question 7

Which year Mendel performed his experiments

Answer 7

1856-1863

Question 8

When Mendel published his works

Answer 8

1865

Question 9

Who rediscovered Mendel’s works? What year?

Answer 9

1900

de Vries, Correns, Tshermark

Question 10

Who discovered chromosome movement? What year?

Answer 10

Sutton and Boveri

1902

Question 11

Drosophila completes life cycle in?

Answer 11

2 weeks

Question 12

Percentage of recombination for yellow body white eye?

Answer 12

1.3%

Question 13

Percentage of recombination of miniature wing and white eyed?

Answer 13

37.2

Question 14

polygenic inheritance also takes

into account the influence of

Answer 14

environment

Question 15

What year did Henking discover X

Answer 15

1891