BIOLOGY
JAMB 2010 - Question 46
Biology 2010 JAMB Past Questions - Question 46: The chromosome number of a ceil before and after the process of meiosis is conventionally represented as
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
D
Explanation
D - Before meiosis each somaticor body ceil has fixed number of diploid number of chromosomes (2n) which is constant for each species of organisms. After meiosis which is called reduction? vision, each somatic ceii has haploid number of chromosomes (n) which is also constant for each gamete of a particular species. Example, each body cell of man has 23 diploid number of chromosomes (23 2r) before meiosis. After meiosis, each sex cell or gamete has 23 haploid number of chromosomes (23n).
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