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The SRY gene on the Y chromosome codes for a protein that activates other genes required for male development in an embryo. This is an example of:

All bacteria have a loop of DNA but some may have additional genetic material in the form of a

Two organisms might have different _________________ even though they have the same _________________.

Match each molecule to its description. Answers may be used more than once.

If an individual is heterozygous for type A blood and he marries a heterozygous type B individual, what is the chance that they will have a child with type AB blood?

The chromatids are held together by the

Complete the Punnett square of a monohybrid cross where the parents have the following genotypes: Bb and bb. What is the probability (as a percentage) that any of the offspring will be homozygous recessive?    B  b  b      b    

If the allele for green pod color (G) is dominant over the allele for yellow pod color (g), which genotype would a plant with yellow pods have?

Prokaryotic cells have a nuclear membrane.

A tall pea plant (TT) and a tall pea plant (Tt) have different: