cell cycle and division

Question 1

chromosomes are slowly visible in which stage of prophase 1

Answer 1

leptotene

Question 2

compaction of chromosomes occurs in which stage of prophase 1

Answer 2

leptotene

Question 3

homologous chromosomes are bound tgt by synaptonemal complex in

Answer 3

zygotene

Question 4

bivalent/tetrad formation is observes in zygotene. true or false

Answer 4

true

Question 5

recombination nodule is a characteristic feature of

Answer 5

pachytene

Question 6

2 sister chromatids of the chromosome engage in genetic recombination. true or false

Answer 6

FALSEEEEEEE
2 non sister chromatids of homologous chromosomes

Question 7

enzyme prominently featured in pachytene?

Answer 7

recombinase

Question 8

synaptonemal complex disintegrates in

Answer 8

diplotene

Question 9

crossover happens at chiasmata alone in which stage?

Answer 9

pachytene

Question 10

nuclear material disintegrates in which phase of prophase 1

Answer 10

diakinesis

Question 11

in spermatocytes and oocytes, diplotene can last for many months and years. true or false

Answer 11

false, only oocytes

Question 12

meiotic spindle formation happens right after prophase 1. true or false

Answer 12

false, happens in diakinesis

Question 13

terminalisation of chiasmata happens in which stage of prophase 1

Answer 13

diakinesis