Genetics vocabulary

Front

What is the physical appearance of an organism called?

Back

Phenotype

Front

What is the term for the genetic makeup of an organism?

Back

Genotype

Front

What do we call the process of passing traits from parents to offspring?

Back

Heredity

Front

What is a homozygous genotype?

Back

A genotype with two identical alleles, e.g., BB or bb.

Front

What is a heterozygous genotype?

Back

A genotype with two different alleles, e.g., Bb.

Front

What is the definition of heredity?

Back

The biological process of parents passing traits to their offspring.

Front

What is a Punnett square used for?

Back

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

Front

What does it mean if an organism is purebred?

Back

It has a homozygous genotype.

Front

What is an allele?

Back

A variant form of a gene.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present; recessive alleles require two copies to express their trait.