What is the purpose of meiosis?
Growth and repair of tissues
Produce gametes for sexual reproduction
Asexual reproduction
Maintain chromosome number in somatic cells
Related Questions
Which of the following event distinguishes prophase-I of meiosis from prophase of mitosis?
Nuclear membrane breaks down
Chromosomes become visible
Homologous chromosomes pair up
Spindle forms
DNA replicates
Twice in each cell cycle
Only once in each cell cycle
Once in mitotic cell cycle, once in meiotic-I (reductional division) and once in meiotic-II (equational division)
None of the above
Chiasmata are first seen during
leptotene
diplotene
zygotene
pachytene
The enzyme recombinase is required at which stage of meiosis?
Pachytene
Zygotene
Diplotene
Diakinesis
If chiasmata are observed to be moving towards the ends of chromosomes during meiosis, which sub-stage of Prophase I is most likely occurring?
Diakinesis
Diplotene
Pachytene
Zygotene
If a cell is observed to undergo synapsis, which type of cell division is it most likely undergoing?
Mitosis
Meiosis
Binary fission
Budding
Which type of chromosomes segregate when a cell undergoes meiosis?
Homologous chromosomes
Non- homologous chromosomes
Both (a) and (b)
Centric and acentric chromosomes
The presence of recombination nodules signifies which crucial event in meiosis?
Crossing over
Independent assortment
Chromosome segregation
Cytokinesis
The movement of chiasmata towards the ends of chromosomes, a key event in meiosis, is known as:
Terminalization
Synapsis
Crossing over
Disjunction
Crossing over occurs at
Single strand stage
Two strand stage
Four strand stage
Eight strand stage