In which of the following stage, the chromosomes are thin and like long threads?
leptotene
zygotene
pachytene
diplotene
Chiasmata show the sites of
synapsis
crossing over
spindle formation
maternal chromosomes
Which of the following molecules consists of two polynucleotide chains (strands).?
RNA
DNA
Both a and B
None
Meiosis differs from mitosis in that
first division is reductional and second division is equational
first division is equational and second division is reductional
both divisions are reductional
both divisions are equational
Which is the correct order of phase in prophase-I?
diakinesis, diplotene, pachytene, zygotene, leptotene
leptotene, diakinesis, pachytene, diplotene, zygotene
leptotene, pachytene, zygotene, diplotene, diakinesis
leptotene,zygotene,pachytene, diplotene, diakinesis
Meiosis in Spirogyra, Ulothrix, Chlamydomonas and most of the algae/ thallophytes is
Sporic
Zygotic
Gametic
Unequal
The time period between meiotic I and meiotic II cell division is called
Interphase
Growth phase
Interkinesis
G2 period
In which phase of meiosis homologous chromosomes separates?
Anaphse I
Anaphase II
Metaphase I
Metaphase II
Synaptonemal complex has a role in
Chromosome pairing
Chromosome movement
Chromosome segregation
Chromosome organisation
Meiosis takes place in
reproductive cells
apical meristem
vegetative cells
intercalary meristem
