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%

Look at the Punnett Square. What's the probability of having the recessive offspring?

• 100%
• 75%
• 50%
• 25%

A type of gene that can be hidden is called

• genotype
• recessive
• dominant
• allele

This type of inheritance pattern is a Blend of both traits.

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern

This type of inheritance pattern shows BOTH traits in possible offspring

• complete dominance
• incomplete dominance
• co-dominance
• dominant pattern

Red is incompletely dominant to white in snapdragons. Which cross would result in 100% pink flowers?

• RR x rr

• rr x rr

• Rr x Rr

• RR x RR