Genetics Vocabulary Practice

A Punnett square is a ​ (a)   that allows you to easily determine the expected ​ (b)   of different ​ (c)   in the ​ (d)   of two parents. An example of a Punnett square for pea plants is shown here. In this example, both parents are ​ (e)   for flower color (Pp).

• chart
• percentage
• genotypes
• offspring
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is TT Heterozygous or homozygous?

• Heterozygous

• Homozygous

Answer explanation

Both letters are capital, so they are HOMOzygous.

Is aa Heterozygous or homozygous?

• Heterozygous

• Homozygous

Answer explanation

Both letters are lower-case, so they are HOMOzygous.

The genes that an organism has - ex. AA , Aa , aa

• genotype

• phenotype

• homozygous

• heterozygous

The physical traits or outward appearance

• genotype

• phenotype

• homozygous

• heterozygous

TT and tt are examples of _____ alleles.

• dominant

• recessive

• homozygous

• heterozygous

Tt is an example of _____ alleles

• heterozygous

• homozygous

• genotype

• phenotype

Different versions of a gene are known as

• chromosomes

• mutations

• alleles

• DNA

Tags

NGSS.HS-LS3-2

This type of allele will always express itself if present.

• homozygous

• recessive

• heterozygous

• dominant

This type of allele will only express itself if it is in a homozygous pair.

• dominant

• recessive

• genotype

• phenotype