An angiospermic leaf carries 16 chromosomes. | vedclass

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Question

(B) somatic cell (e.g.,cell of a leaf) contains a diploid $(2n)$ number of chromosomes.Given,$2n = 16$,so $n = 8$.In angiosperms,the endosperm is form

Vedclass · Accepted Answer

$24$

Vedclass · Answer

(B) somatic cell (e.g.,cell of a leaf) contains a diploid $(2n)$ number of chromosomes.Given,$2n = 16$,so $n = 8$.In angiosperms,the endosperm is formed by the process of triple fusion,which involves the fusion of two polar nuclei $(n + n)$ and one male gamete $(n)$.Therefore,the endosperm is triploid $(3n)$.Calculation: $3n = 3 	imes 8 = 24$.Thus,the number of chromosomes in the endosperm will be $24$.

An angiospermic leaf carries $16$ chromosomes. The number of chromosomes in its endosperm will be

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Assertion: Endosperm is a nutritive tissue and it is triploid.
Reason: Endosperm is formed by the fusion of the secondary nucleus with the second male gamete. It is used by the developing embryo.

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