Genetics & Punnett Square

Front

What is the study of heredity called?

Back

Genetics

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What does a lower case letter represent in a Punnett square?

Back

A recessive allele.

Front

What is the term for an organism's physical expression of its genetic material?

Back

Phenotype

Tags

NGSS.HS-LS1-1

Front

What is the genotype of a homozygous recessive organism?

Back

tt

Front

In a Punnett square, what does a capital letter represent?

Back

A dominant allele.

Front

If shaggy fur is dominant to short fur, what percentage of offspring will have short fur if both parents are heterozygous?

Back

25%.

Front

What is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents?

Back

3:1.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of that genetic makeup.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS4-4

Front

What is a Punnett square used for?

Back

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

Front

What is the term for an allele that masks the effect of another allele?

Back

Dominant allele.