Genetics & Punnett Practice

Front

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

Back

Phenotype

Front

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

Back

Genotype

Front

What do we call an organism with two identical alleles for a trait?

Back

Homozygous

Front

What do we call an organism with two different alleles for a trait?

Back

Heterozygous

Front

If 'T' is dominant and 't' is recessive, what is the phenotype of a plant with genotype 'Tt'?

Back

Tall

Front

If both parents contribute recessive alleles, what will be the genotype of the offspring?

Back

Homozygous recessive (tt)

Front

What is the phenotype of a corn plant with genotype 'tt'?

Back

Short

Front

What trait would be expressed in an organism with genotype 'LL'?

Back

Dominant trait

Front

What is the genotype of an organism with two dominant alleles?

Back

Homozygous dominant (e.g., TT)

Front

What is the term for a trait that is masked by a dominant trait?

Back

Recessive trait