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Agriculture · Q145

Genetics And Plant Breeding

Graduate and Post Graduate · Agriculture · question 145

Q145

Sometimes the homologous chromosomes fail to pair in prophase of meiosis the situation is known as

A.
Synapsis
B.
Desynapsis
C.
Asynapsis
Answer
D.
Disjunction

Answer: Option C

Solution

Answer: Option C
Solution:
Sometimes the homologous chromosomes fail to pair in the prophase of meiosis the situation is known as Asynapsis.
Asynapsis is the complete failure of homologous chromosomes to pair or synapse during the first meiotic division.
Both asynapsis and desynapsis have been found to play a significant role in the origin of polyploids via the formation of 2n gametes.