Punnett Square Review

Front

What term denotes the physical expression of a gene?

Back

Phenotype

Front

What are the possible phenotype(s) of the offspring from a cross of A-Brown hair (A) and a-blond hair (a)?

Back

75% Brown Hair and 25% Blond Hair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

This type of inheritance pattern shows BOTH traits in possible offspring.

Back

Co-dominance

Front

What inheritance pattern makes the blood type AB possible?

Back

Co-dominance

Front

What did Gregor Mendel use to discover the principles that rule heredity?

Back

Pea Plant

Tags

NGSS.HS-LS3-2

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

In a Punnett square, what do the letters represent?

Back

The alleles of the parents.

Front

What is the expected phenotypic ratio of a monohybrid cross?

Back

3:1

Front

What is the expected genotypic ratio of a monohybrid cross?

Back

1:2:1

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present; recessive alleles require two copies to express their trait.