genetics and punnett squares

Front

What is the term for the physical appearance of an organism?

Back

Phenotype

Front

What is the expected phenotype ratio when two heterozygous white rabbits are crossed?

Back

75% white; 25% brown

Front

In a Punnett square, if T = tall and t = short, what is the genotype of the offspring if the missing square is tt?

Back

tt

Front

What must an organism have for a recessive trait to appear?

Back

Two recessive alleles

Front

In a Punnett square, if one parent is AA and the other is aa, what is the genotype of the offspring in the missing square?

Back

Aa

Front

What is the term for the genetic makeup of an organism?

Back

Genotype

Front

If a trait is dominant, what is the minimum number of dominant alleles an organism must have to express that trait?

Back

One dominant allele

Front

What is the term for an organism with two identical alleles for a trait?

Back

Homozygous

Front

What is the term for an organism with two different alleles for a trait?

Back

Heterozygous

Front

In a monohybrid cross, what is the expected genotypic ratio of the offspring when two heterozygous parents are crossed?

Back

1:2:1