Answer:
B
eukaryotes are organisms that are unicellular and have no nucleus
Explanation:
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A. A gamete carries to genes for a trait.
B. A gamete carries one allele for a gene.
C. A gamete can carry multiple alleles for a trait.
D. Some gametes are dominant and some are recessive.
ATP is very important. It transports the energy necessary for all cellular metabolic activities in living things.