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koban [17]
2 years ago
12

During the early stages of meiosis, two chromosomes in a homologous pair may exchange segments, producing genetic variation in s

ex cells. This process of exchange is called A) transcription. B) crossing over. C) nondisjunction. D) genetic shuffling.
Biology
2 answers:
irina1246 [14]2 years ago
7 0
B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.
rjkz [21]2 years ago
6 0

The correct answer is option B, that is, crossing over.  

Crossing over or chromosomal crossover refers to the interchange of genetic substance between the two homologous chromosomes non-sister chromatids, which leads to the formation of recombinant chromosomes at the time of sexual reproduction.  

It takes place in the pachytene stage of prophase I of meiosis at the time of a procedure known as synapsis.  


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