The egg of a plant has a haploid chromosome number of 12 (n = 12). What is true about the number of chromosomes in the cells of other tissues of this plant?
A) The sperm has 6 chromosomes.
B) The leaves and stems have 12 chromosomes.
C) The zygote has 12 chromosomes.
D) The endosperm has 36 chromosomes.

Question

Quizplus · Accepted Answer

In plants, the egg and sperm are haploid (n), so they have 12 chromosomes each. The zygote is diploid (2n), so it has 24 chromosomes. The endosperm is typically triploid (3n) in flowering plants, so it has 36 chromosomes.

The Egg of a Plant Has a Haploid Chromosome Number