The twenty third pair of chromosomes in man is known as
Chromatid
Heterosome
Autosome
Gene
(b)Man is heterogametic because it has $X$ and $Y$ chromosomes.
Sometimes cattle or even human beings give birth to their young ones that are having extremely different sets of organs like limbs/position of eye(s) etc. Comment.
A gene is said to be dominant, if
The chromosomes as thread like structures in nucleus was first described by
What is transfer of $DNA → RNA$ called
Haploid content of human $DNA$ contains
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