Mendelian Genetics

The genotype AA is an example of

• Heterozygous

• Homozygous recessive

• Homozygous dominant

Which kind of trait is ALWAYS seen?

• Dominant

• Recessive

• Allele

• Genotype

Genotype Aa is an example of

• homozygous recessive

• homozygous dominant

• heterozygous

Passing traits from parents to offspring is called __________.

What is the probability that two homozygous dominant parents will have heterozygous offspring?

• 25%

• 50%

• 100%

• 0%

What is the probability that a homozygous recessive and a heterozygous cross will produce the dominant PHENOTYPE?

• 0%

• 25%

• 50%

• 75%

A HETEROZYGOUS individual would have the genotype:

• Hh

• hh

• HH

• Hi

In humans, blue eyes are a recessive trait. What genotype would a blue eyed child have?

• BB

• Bb

• bb

• None of the above, brown eyes are dominant.

In pea plants, tall (T) plant alleles are dominant to short (t) plant alleles. If two tall plants (each with the genotype Tt) are crossed, what is the probability that the cross would result in a short pea plant?

• 25%

• 50%

• 75%

• 100%

Genes determine the characteristics, or __?__, that an individual can have.

• chromosomes

• cells

• genetics

• traits