Punnett Square

Front

What is the physical appearance of an organism called?

Back

Phenotype

Front

Which genotype represents a heterozygous condition?

Back

Bb

Front

What does Mendel's Law of Segregation state?

Back

Each parent gives 1/2 of their directions/code for each trait to the offspring.

Front

In a Punnett square for mice, if black fur (B) is dominant to white fur (b), how many offspring would be black if both parents are Bb?

Back

4

Front

In a heterozygous genotype, which allele takes over in the phenotype?

Back

Dominant

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 a Punnett square used for?

Back

To predict the genetic makeup of offspring from parental genotypes.

Front

If a pea plant has a genotype of Tt, what are the possible gametes it can produce?

Back

T and t

Front

What is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents (Tt x Tt)?

Back

3:1