Biology, asked by salonisharma6815929, 10 months ago

Fully mature embryo sac of angiosperms is​

Answers

Answered by ayushraj74885616
0

Answer:

uterus is the part where the embryo get well developed

Answered by ishatvns1107
0

Answer:

mark me as the brainliest

Explanation:

A typical mature embryo sac of Angiosperms is  a 7-celled and 8-nucleate structure.

(i) At the micropylar end, an egg apparatus is present which consists of an egg cell and 2 synergid cells. Synergids contain filiform apparatus which guides the pollen tube entry into the embryo sac during fertilisation.

(ii) At the chalazal end, three antipodal cells are present.

(iii) In the centre, two polar nuclei are present which get fused prior to fertilisation to form a diploid secondary nucleus.

Hence, 8 nuclei are constituted within 7 cells. Thus, embryo sac is 7-celled and 8-nucleate.

Similar questions