First slide

Pre-fertilisation : Structures and Events

Question

Considering 17 chromosomes are present in the gamete of apple plant. Find the number of chromosomes present in nucellus, synergids, antipodals, microspore mother cell and tube cell respectively.

Moderate

A

34, 17, 17, 34, 34
B

34, 17, 17, 34, 17
C

17, 17, 17, 34, 17
D

34, 17, 34, 34, 17

Solution

Gamete (n)-17 chromosomes
Nucellus (2n)- 34 chromosomes
Synergids(n)- 17 chromosomes
Antipodals(n)- 17 chromosomes
Microspore mother cell (2n)- 34 chromosomes
Tube cell(n)- 17 chromosomes

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