Genetics Vocabulary

Which is heterozygous ?

• Tt

• TT

Which is homozygous ?

• Ee

• EE

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

• homozygous

• hetrozygous

• protein

• chromosome

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

• protein

• homozygous

• heterozygous

• genotype

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

• hidden allele
• dominant allele
• recessive allele
• present allele

An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele

A __________ carries information that determines one of your traits.

• chromosome

• gene

• trait

• Punnett square

The study of heredity.

• Microbiology
• Genetics
• Chemistry
• Astronomy

The Austrian monk who studied pea plants. His experiments helped him draw conclusions about how traits are inherited.

• Gregor Johann Mendel
• Charles Darwin
• James Watson
• Anthony van Leeuwenhoek