B - Genetics Review

Which of the following is heterozygous?

• MM

• Mm

• mm

Which of the following is homozygous dominant?

• RR

• Rr

• rr

Which of the following is homozygous recessive?

• QQ

• Qq

• qq

What term denotes the physical expression of a gene?

• genotype

• phenotype

• appearance

• homologous

Which of these genotypes would most likely be used to represent the dominant for pea plant height?

• TT

• tt

• PP

• pp

Which of the following would produce a recessive phenotype?

• hh

• Rr

• Ww

• BB

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey
• water to rain
• parents to offspring
• fungi to protists

This trait is represented by a capital letter and always shows up in an organism when the allele is present

• dominant allele

• codominance

• probability

• recessive allele

This trait is represented by a lower case letter and hidden whenever the dominant allele is present

• dominant allele

• codominance

• recessive allele

• Punnett Square