chromosome is to nucleus as DNA is to

Each body cell ofa goldfish contains 94 chromosomes. How many chromosomes are contained in a goldfish sex cell?

In sexual reproduction, what fraction of genes does each parent contribute to the offspring?

The male sex cell is the

The vast variety of different traits found in humans results from

Which organism consists of one cell?

Which condition is the result of abnormal cell division?

Which process is responsible for growth and repair

Which process gives rise to a variety of traits within a species?

If a species is not longer able to reproduce, it will

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