Genetics Review

Front

What is the term for the combination of two alleles that are the same?

Back

Homozygous

Front

What are the letters that make up the genetic code for a trait called?

Back

Genotype

Front

If red flowers (R) are dominant over white, what is the probability that the offspring will be red if both parents are heterozygous (Rr)?

Back

2 out of 4

Front

What is a type of gene that can be hidden called?

Back

Recessive

Front

What would the genotype be for a homozygous tall pea plant represented by 'T'?

Back

TT

Front

What is the term for the physical expression of a trait?

Back

Phenotype

Front

What do we call different forms of a gene?

Back

Alleles

Front

If a plant has the genotype Tt, what is its phenotype?

Back

Tall (since T is dominant)

Front

What is the probability of getting a homozygous recessive offspring (tt) from two heterozygous parents (Tt)?

Back

1 out of 4

Front

What is the term for an organism's genetic makeup?

Back

Genotype