MCQ
Spermatogonia undergo ....... to produce spermatozoa
- AMitosis
- BMeiosis
- CDedifferentiation
- DNone
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Assertion $(A)$:
Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome.
Reason $(R):$
Closely located genes assort independently.
In the light of the above statements, choose the correct answer from the options given below:
Few such steps include
$I.$ ensuring use of disposable needles and syringes
$II.$ free distribution of condoms
$III.$ advocating safe sex
$IV.$ controlling drug abuse
Which of the steps given above are correct?