Plant Genetics Questions & Answers - Page 2

6.

During meiosis, crossing over takes place at

A.

zygotene stage

B.

diplotene stage

C.

diakinesis stage

D.

pachytene stage

Correct answer is D

No explanation has been provided for this answer.

7.

When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

A.

In anaphase A

B.

In anaphase B

C.

In metaphase

D.

In telophase

Correct answer is A

No explanation has been provided for this answer.

8.

When an organism has a life cycle with alternation of generations, the haploid generation is the

A.

zygote

B.

gametophyte

C.

gamete

D.

sporophyte

Correct answer is B

No explanation has been provided for this answer.

9.

What is the approximate size (in kb) of the melon mitochondrial genome?

A.

600 kilobase

B.

1200 kilobase

C.

2400 kilobase

D.

3000 kilobase

Correct answer is C

No explanation has been provided for this answer.

10.

In the meiotic cell divison, daughter cells are produced by two successive division in which

A.

first division is equational, second is reductional

B.

first division is reductional and second is equational

C.

both divisions are reductional

D.

both divisions are equational

Correct answer is A

No explanation has been provided for this answer.