Flashcard #1 Heredity Vocab

Front

How many genes can you pass on to your children for EACH TRAIT?

Back

1 gene for each trait.

Front

How many children did the couple in the first generation have?

Back

3 children.

Front

What is codominance in genetics?

Back

Codominance is when two traits are expressed equally in the phenotype.

Front

What percentage of the offspring in a Punnett Square would be heterozygous if the answer is 50%?

Back

50% of the offspring would be heterozygous.

Front

What is an example of an incomplete dominance trait?

Back

An example is when a straight-haired parent and a curly-haired parent have a child with wavy hair.

Front

Define dominant trait.

Back

A dominant trait is one that is expressed in the phenotype even when only one copy of the gene is present.

Front

Define recessive trait.

Back

A recessive trait is one that is only expressed in the phenotype when two copies of the gene are present.

Front

What is a Punnett Square used for?

Back

A Punnett Square is used to predict the genetic outcomes of a cross between two organisms.

Front

What does heterozygous mean?

Back

Heterozygous means having two different alleles for a specific gene.

Front

What does homozygous mean?

Back

Homozygous means having two identical alleles for a specific gene.