The number of chromosomes are in a zygote of maize is 20 due to a zygote being a diploid.
What is a Chromosome?
This is defined as a thread like structure which contains the genetic material of cells as a result of the presence of DNA and is usually located in the nucleus.
Zygotes are referred to as being diploid because both of the fusion of genes from two parents thereby resulting in it being double. Since the haploid number is 10 then the diploid is 2×10 thereby resulting in the 20 gotten as the answer.
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