Bio STAAR EOC Review - R2

The passing of traits from parent to offspring 

• Heredity 

• Genetics 

• Hybrid 

• Probability 

Genotype refers to the ...

• physical expression of the genes

• the possible combination of alleles in a gene

• whether an allele is dominant or recessive

• how an organism will appear

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue eyes

Which of the following is heterozygous

• FF

• tt

• Gg

• RR

Which of the following is homozygous recessive?

• rr

• AA

• TT

• Ff

Which of the following is homozygous dominant?

• Jj

• Rr

• MM

• ee

How many letters does a genotype contain?

• 1

• 2

• 3

• 4

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?

• BB

• bb

• Bb

• bB

The Italian monk/scientist who first showed

the principles of genetics

• Watson and Crick

• Linnaeus

• Darwin

• Mendel

The dominant trait in this punnett square is

• yellow pea seeds

• green pea seeds

• there is no dominant seed