Best answer: How many chromosomes are in an onion root tip?

Can onion have 32 chromosomes?

Workout the number of chromosomes found in its endosperm. “The meiocyte of an onion plant contains 32 chromosomes. … Hence its gamete will have 32/2 =16 chromosomes. Therefore endosperm will have 16×3=48 chromosomes (3r).

Do onion root tips have cells?

An onion root tip is a rapidly growing part of the onion and thus many cells will be in different stages of mitosis. … The super coiled chromosomes during different stages of mitosis present in the onion root tip cells can be visualized by treating with DNA specific stains, like Feulgen stain and Acetocarmine stain.

What is the chromosome number for the endosperm?

The endosperm mother cell has two polar nuclei so it contains a total of 8 chromosomes.

How many chromosomes are present in endosperm of rice?

Haploid number n = 12. Therefore the number of chromosomes will be n x 3 = 36 because the endosperm in angiosperms is triploid 3n as it is formed by the fusion of 2 polar nuclei n and one gamete.

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