Genetics Review

------is the combination of two alleles that are different from one another.

• homozygous
• heterzygous
• phenotype
• trait

The letters that make-up the genetic code for a trait

• genotype
• heterzygous
• phenotype
• trait

---- Is the combination of two alleles that are the same

• genotype
• homozygous
• phenotype
• trait

The physical appearance of the allele combination the offspring receives

• genotype
• homozygous
• phenotype
• dominant

Black fur (B) is dominant. Find the probability of a black offspring in a cross: bb x bb. 

• 0%
• 25%
• 50%
• 100%

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 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