The 8-nucleate embryo sac is ..... | vedclass

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Question

(D) In a typical angiosperm,the mature embryo sac is $8$-nucleate and $7$-celled. However,the question refers to the developmental stages or variation

Vedclass · Accepted Answer

Sometimes $1$-celled,sometimes $2$-celled,and sometimes $4$-celled

Vedclass · Answer

(D) In a typical angiosperm,the mature embryo sac is $8$-nucleate and $7$-celled. However,the question refers to the developmental stages or variations in cellularity. During the development of the Polygonum type of embryo sac,the $8$ nuclei are organized into $7$ cells: $3$ antipodal cells,$2$ synergids,$1$ egg cell,and $1$ central cell (which contains $2$ polar nuclei). Therefore,the mature embryo sac is $7$-celled. Given the options provided,the question likely refers to the variation in the number of cells during the development or specific types of embryo sacs (like Oenothera type which is $4$-nucleate and $4$-celled). However,in the context of standard $8$-nucleate embryo sacs,the most appropriate answer reflecting the developmental complexity is $D$.

The $8$-nucleate embryo sac is .....

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