Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET Derived Question.
Which of the following does not lead to genetic
variability?
(a) Random fertilization.
(b) Crossing over during meiosis.
(c) Division of chromosomes during anaphase of
mitosis.
(d) Orientation of chromosomes during metaphase I of
meiosis.
Answer: (c) Mitosis does not introduce genetic variations as
mitosis is a mode of cell division in which the daughter
cells are genetically similar to the parent cell because
their nuclei have the same number and type of
chromosomes as are present in the parent cell.
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