Genetics Vocab Quiz Review

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Which of the choices is homozygous recessive?

• BB

• Bb

• bb

Which of the choices is heterozygous?

• BB

• Bb

• bb

Which of the choices is recessive?

• BB

• Bb

• bb

This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern