Genetics vocabulary and practice

What do TT, Tt, and tt represent?

• Phenotype

• Genotype

• Homozygous dominant

• Heterozygous

Which of the following is homozygous?

• Rr

• rr

• phenotype

• genotype

Which of the following describes the physical trait an individual has?

• allele

• genotype

• phenotype

• pedigree

What is the tool we use to show crosses between two individuals?

• allele

• genotype

• pedigree

• Punnett square

Which of the following is a section of DNA that carries instructions for making a protein?

• gene

• trait

• phenotype

• allele

Which of the following is a phenotype?

• Aa

• AA

• Tall or short

• a gene

What describes two or more versions of a gene?

• phenotype

• heterozygous

• allele

• genotype

Which of the following is homozygous dominant?

• Bb

• bb

• Brown

• BB

Which phenotype does a heterozygote show in simple inheritance?

• the recessive phenotype

• a mix between the dominant and recessive phenotype

• the dominant phenotype

Which of the following is a tool we use to show how genes or conditions move through multiple generations?

• pedigree

• Punnett square

• blood typing

• genotype