Synaptonemal complex has a role in
Chromosome pairing
Chromosome movement
Chromosome segregation
Chromosome organisation
Meiosis is reductional division where as, meiosis II is equational division due to
Pairing of homologous chromosomes
Disjunction of homologous chromosomes
Separation of chromatids
Crossing over
Exchange of paternal and maternal chromosome material during cell division is called
dyad formation
crossing over
synapsis
bivalent formation
Meiosis occurs in
Liver
Kidney
Gonad
Brain
In which of the following stage, the chromosomes are thin and like long threads?
leptotene
zygotene
pachytene
diplotene
The number of chromosomes becomes half in
anaphase I
anaphase II
telophase I
telophase II
In which phase of meiosis homologous chromosomes separates?
Anaphse I
Anaphase II
Metaphase I
Metaphase II
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles?
metaphase I
metaphase II
Which of the following molecules consists of two polynucleotide chains (strands).?
RNA
DNA
Both a and B
None
In which phase of cell division chromosomes duplicates?
anaphase-II
prophase-I
interphase
both prophase-I and II