Heredity and Punnett Squares

Front

What does the letter 'T' represent in genetics when discussing tongue rolling?

Back

The letter 'T' represents the dominant allele for tongue rolling.

Front

What is the genotype of an individual who is heterozygous for hair color, where 'B' is brown and 'b' is blonde?

Back

The genotype is Bb.

Front

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

Back

Phenotype.

Front

What complex molecule carries genetic information in an organism?

Back

DNA.

Front

In a Punnett square, if 'T' represents tall and 't' represents short, what is the genotype of a short plant?

Back

tt.

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

What is the purpose of a Punnett square in genetics?

Back

To predict the possible genotypes of offspring from a genetic cross.

Front

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

Back

Tall.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of traits.