Genetics Test Review

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

Incomplete dominance means that the traits are

• expressed equally
• dominant
• recessive
• blended

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Which is the correct phenotype for this organism?

• BB
• blue
• green
• bb

Which of the following genotypes is homozygous dominant?

• Yy

• yY

• yy

• YY

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

• 50 % Brown fur and 50% White fur

• 25 % Brown fur and 75% White fur

• 75 % Brown fur and 25% White fur

• 0% Brown fur and 100% White fur

This punnett square shows a cross between

• A hybrid Parent and a Homozygous parent
• A heterozygous parent and a heterozygous parent
• Two homozygous parents
• Two Hybrid Parents

Dominant alleles are represented by a:

• capital letter

• lowercase letter