HARD
Earn 100

What is the total number of cellular DNA molecules present during prophase I in a human cell undergoing meiosis?

Important Questions on Cell Cycle and Cell Division

MEDIUM
Match the stages of meiosis of Column-I to their characteristic features in Column-II and select the correct option using the codes given below:
 
Column-I Column–II
a. Pachytene (i) The pairing of homologous chromosomes
b. Metaphase I (ii) Terminalization of chiasmata
c. Diakinesis (iii) Crossing-over takes place
d. Zygotene (iv) Chromosomes align at the equatorial plate
EASY
The enzyme recombinase is required at which stage of meiosis:
EASY
Meiosis is evolutionary significant because it results in
MEDIUM
The phase between meiosis I and meiosis II is known as _____.
EASY
Recombination is involved in the process of:
EASY
The exchange of genetic material between chromatids of paired homologous chromosomes during the first meiotic division is called
MEDIUM

Fill in the blank with the correct option from the bracket.

Crossing over leads to _____ formation. (synapsis, metaphase plate, chiasma, spindle)

MEDIUM
During zygotene _____ chromosomes pair.
MEDIUM
_____ (Chromosomes/cell organelles) get enclosed within nuclei during Telophase-I.
EASY
Meiosis I is reductional division. Meiosis II is equational division due to
MEDIUM

Fill in the blank with the correct option from the bracket.

_____ cells are undergoing meiotic cell division. (Somatic, Root tip, Germ, Hepatic)

MEDIUM
During which stage of meiosis, do tetrads line up at the equator?
EASY
During meiosis I, the bivalent chromosomes clearly appear as tetrads during
MEDIUM
Recombinases are _____ recombination enzymes. 
HARD

Fill in the blank with the correct option from the bracket.

Reproductive cells are produced by _____. (mitotic division, equational division, meiosis, amitosis)