Describe Sex Cell? Please put in full sentences and give an explanation and you will get thanks from me.
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Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. ... In contrast, each egg cell, or ovum, is relatively large and non-motile.

Explanation:

the answer is

c. parental

answer; polycythemia is the correct answer;