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Which molecule(s) function(s) to transfer hereditary information from one generation of cells to the next generation of cells in eukaryotes?  Choose one answer.

During meiosis, a unique event called crossing over results in the formation of __________ chromatids.  Crossing over occurs between ____________ chromosomes.

Which statement about base pairing is false?

The nitrogenous bases classified as purines are _______ ; purines contain _____ ring(s).

Which statement about sister chromatids is true?

Chromosomes “decondense” into diffuse (loose) chromatin

Suppose coat color in a rodent is due to a single gene, with the allele for red fur being dominant to the allele for white fur.  In the F2 generation resulting from a cross between true breeding (pure-breeding) red rodents and true breeding (pure-breeding) white rodents, _______ of the rodents should have red fur.

A gene is a portion of the ______ that codes for ______.

A chromosome is made up of

Somatic cells in humans have _______ chromosomes, which includes _______ autosomes.