Alleles

A chart that shows all the possible combinations of alleles that can result from a genetic cross.

• Probability

• Durick Square

• Punnett Square

• T-Chart

When an organism that has both alleles of a gene displays both phenotypes at the same time.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

When the phenotype of the two alleles blend.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

The alleles that an organism has

• genotype

• phenotype

• chromosome

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When an organism has two of the same alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

When an organism has two different alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

Tags

NGSS.HS-LS3-2

Two different alleles for the same trait.

• Heterozygous

• Homonzygous

• Dominant

Two identical alleles for the same trait.

• Heterozygous

• Homozygous

• Dominant

What is the term for different forms of a gene that can exist at a specific locus?

• Alleles

• Chromosomes

• Genotypes

• Phenotypes

Tags

NGSS.HS-LS3-2

Which of the following is an example of a homozygous genotype?

• AA

• Aa

• aA

• aa