LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Process that is responsible for genetic variation
A
Mitosis
B
Meiosis
C
Protein synthesis
D
DNA replication
Explanation: 

Detailed explanation-1: -Meiosis is important for creating genomic diversity in a species. It accomplishes this primarily through 2 processes: independent assortment and crossing over (recombination).

Detailed explanation-2: -During meiosis I, the random orientation of the maternal and paternal chromosomes can lead to variation. The exchange of genetic information between homologous chromosomes also induces variation. The random orientation of sister chromatids in meiosis II also generates genetic variation.

Detailed explanation-3: -Meiosis exhibits genetic variation by the process of recombination. Variations increase further after the union of gametes during fertilization creating offspring with unique characteristics. Thus, it creates diversity of life and is responsible for evolution.

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