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_____ is regions of noncoding DNA at the ends of eukaryotic chromosomes.

_____  is an organism that obtains carbon from organic compounds and its energy from light.

_____ is the process by which gametes are produced.

_____ the process which male and female gametes fuse together.

Which of the following genotypes would be heterozygous?

What stage of meiosis does crossing over occur?

How many known amino acids exist?

Match the following questions related to some of the macromolecules to the correct answers:

What term means physical expression of a trait that can be seen?

What is the correct sequence for mitosis?