Genetics Practice

What is a phenotype

• The genetic make up (code)
• The physical trait

An allele whose trait always shows up in the organism when the allele is present.

• recessive allele

• dominant allele

An allele whose trait only shows up when no dominant allele is present.

• recessive

• dominant allele

genetic makeup

• phenotype
• genotype
• heterzygous
• allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

having two of the same genes for the trait (sometimes called purebred).

• homozygous

• hetrozygous

having two different genes for a trait (sometimes called hybrid).

• heterozygous

• genotype

A characteristic that an organism can pass on to its offspring through its genes

• protein
• trait
• DNA
• gene

Tags

NGSS.HS-LS3-1

Alternative forms of a gene are called

• Alleles

• Homozygous

Which gene is homozygous?

• Same
• Different

Which gene is heterozygous?

• TT
• Tt
• rr
• YY