Cell Cycle And Cell Division Ques 42
42. The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called
[1996]
(a) transformation
(b) chiasmata
(c) crossing over
(d) synapsis
Show Answer
Answer : c
Hints & Solutions
(c) The points of attachment between homologous chromosomes after their separation in diplotene are called chiasmata. The process of pairing of homologous chromosomes is called synapsis. The phenomenon by which DNA isolated from one type of cell, when introduced into another type, is able to bestow some of the properties of the former to the latter, is known as transformation.
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