Genetics Vocabulary

Front

What is the term for an organism that has one dominant allele and one recessive allele?

Back

Heterozygous

Front

What do you call an organism that has both alleles in the same form, either dominant or recessive?

Back

Homozygous

Front

What does Mendel's law of segregation state about alleles during meiosis?

Back

During meiosis, the alleles that control each trait separate, and only one allele from each pair is passed to the offspring.

Front

What is the study of how traits are inherited through the interactions of genes called?

Back

Genetics

Front

What is an example of a phenotype?

Back

Blue eyes

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits or characteristics.

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present (homozygous).

Front

What is the purpose of a Punnett square?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What is the term for the physical location of a gene on a chromosome?

Back

Locus