AP BIOLOGY

PLANTS

ALTERNATION OF GENERATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Eggs and sperm cells are:
A
haploid
B
diploid
Explanation: 

Detailed explanation-1: -Haploid refers to the presence of a single set of chromosomes in an organism’s cells. Sexually reproducing organisms are diploid (having two sets of chromosomes, one from each parent). In humans, only the egg and sperm cells are haploid.

Detailed explanation-2: -Eggs are formed through the process of meiosis. Each egg is haploid, it contains a single copy of each chromosome with the sex chromosome always an X chromosome.

Detailed explanation-3: -Eggs are haploid cells, having half the number of chromosomes of other cells in the body, which are diploid cells. Like sperm, eggs must be haploid in order for sexual reproduction to result in a diploid offspring.

Detailed explanation-4: -The sperm cells of humans are haploid. Sperms cells are produced in reproductive organ testes. In haploid cells, only one set of chromosomes is found. In human cells, the total number of chromosomes is 46.

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