Genetics Review

The passing of traits from parent to offspring is called ______.

• DNA

• Genes

• Heredity

• Phenotype

The PHYSICAL APPEARANCE of an organism is called its ______.

• Genotype

• Phenotype

• Genes

• DNA

The types of genes (combinations of alleles) that an organism has inherited from its’ parents is called ______.

• Dominant

• Genotype

• Phenotype

• Recessive

Which allele pair is showing two RECESSIVE alleles?

• aa

• AA

• Aa

• aA

Which allele pair is showing two DOMINANT alleles?

• aa

• Aa

• aA

• AA

Homozygous blue flowers (BB) are crossed with homozygous orange flowers (bb). All of the offspring are blue flowers (Bb). Which color is dominant?

• Blue

• Orange

• Both

• None

Which of the following is the MOST likely a result of genetics?

• Eye color

• An infection

• Length of hair

• Knowledge of football

If brown eye color is dominant over blue, what is the genotype of a brown eyed person?

• BB only

• bb only

• Bb only

• BB or Bb

If brown eye color is dominant over blue, what is the genotype of a blue eyed person?

• BB only

• bb only

• Bb only

• BB or Bb

Which of the following is an example of phenotype?

• AA

• aa

• blue

• Aa