Gametes must carry half of their genetic material because - A) sexual reproduction only requires one parent's genetic information

B) gametes are small and can only hold half the number of chromosomes

C) the gametes' chromosomes will be copied prior to cell division

D) two gametes will unite during fertilization to create a full set of chromosomes​

B The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells

Explanation:

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spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.