Monohybrid Cross Practice

Front

How many alleles (letters) does a child get from each parent for each trait?

Back

1

Front

When a person has two different alleles for a gene, they are said to be:

Back

heterozygous

Front

What is the phenotypic ratio based on a completed Punnett square?

Back

3:1

Front

What are the physical characteristics that result from genes called?

Back

phenotype

Front

Which of the following genotypes is homozygous dominant?

Back

AA

Front

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

Back

genotype

Front

What is the term for having two identical alleles for a gene?

Back

homozygous

Front

What is a Punnett square used for?

Back

To predict the genotypes and phenotypes of offspring from a genetic cross.

Front

If a plant has the genotype Aa, what are the possible gametes it can produce?

Back

A and a

Front

What does it mean if an organism is homozygous recessive?

Back

It has two identical recessive alleles for a trait.