MCQ
$X$ -chromosome or $X$ - body was first observed by.............
- AMendel $(1901)$
- BCastle $(1910)$
- ✓Henking $(1891)$
- DBateson $(1906)$
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$(a)$ Pollen grains inside the anther
$(b)$ Gemninated pollen grain with two male gametes
$(c)$ Seed inside the fruit
$(d)$ Embryo sac inside the ovule