Genetics Review

What is the phenotype in the bottom right square? (Yellow is dominant and green is recessive)

• yy
• Yy
• yellow
• green

Which of the following is the genotype for a homozygous recessive trait?

• gg
• Gg
• GG

What % of the offspring in the Punnet square are heterozygous?

• 25%
• 50%
• 75%
• 100%

What type of letters are used to show a trait is dominant?

• capital
• lowercase

What are traits that aren't dominant over each other but whose heterozygous outcome is a combination of the two equally but separately?

• pure dominance
• incomplete dominance
• co-dominance
• simple dominance

What is the type of dominance when the two traits aren't dominant over each other, but whose heterozygous outcome is blended?

• co-dominance
• simple dominance
• incomplete dominance
• non-dominance

pp is an example of why type of genotype?

• homozygous recessive
• heterozygous recessive
• homozygous dominant
• heterozygous dominant

PP is what type of genotype?

• homozygous recessive
• heterozygous recessive
• homozygous dominant
• homozygous recessive

Pp is an example what type of genotype?

• homozygous recessive
• homozygous dominant
• heterozygous dominant

What is one or more alternative forms of a gene?

• chromosome
• genotype
• phenotype
• allele