Which one of the following pairs of plants structures has a haploid number of chromosomes?

Question

Which one of the following pairs of plants structures has a haploid number of chromosomes? (A) Nucellus and antipodal cells (B) Egg nucleus and secondary nucleus (C) Megaspore mother cell and antipodal cells (D) Egg cell and antipodal cells

Tardigrade Admin · Accepted Answer

The nucleus undergoes three divisions to produce 8 haploid nuclei which get organised into three groups: egg apparatus towards the micropylar end, two middle polar nuclei or secondary nucleus and three antipodal cells towards the chalazal end.

Q. Which one of the following pairs of plants structures has a haploid number of chromosomes?

Nucellus and antipodal cells

Egg nucleus and secondary nucleus

Megaspore mother cell and antipodal cells

Egg cell and antipodal cells

The nucleus undergoes three divisions to produce 8 haploid nuclei which get organised into three groups: egg apparatus towards the micropylar end, two middle polar nuclei or secondary nucleus and three antipodal cells towards the chalazal end.