genetics vocabulary

Front

What is the weaker trait that requires 2 genes for it to show up in an organism?

Back

Recessive

Front

What do you call an organism that has one copy of each allele?

Back

Heterozygous

Front

What term describes an organism with two identical alleles for a trait, such as TT or tt?

Back

Homozygous

Front

What is the term for the physical or visible appearance of an organism?

Back

Phenotype

Front

What do we call the genetic make-up or the actual gene pair of an organism?

Back

Genotype

Front

What is the term for a trait that can mask the presence of a recessive trait?

Back

Dominant

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is a Punnett square used for?

Back

To predict the genetic outcomes of a cross between two organisms.

Front

What do you call the different forms of a gene?

Back

Alleles

Front

What is the term for an organism that has two different alleles for a trait?

Back

Heterozygous