Unit 7 Genetics 1 no Punnetts

Front

What is a phenotype?

Back

The physical trait of an organism.

Front

What does the genotype 'gg' represent in terms of plant color?

Back

It represents a yellow plant.

Front

What is the term for having two of the same genes for a trait?

Back

Homozygous.

Front

What is the scientific study of heredity called?

Back

Genetics.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of traits.

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.

Front

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

Back

Heterozygous.

Front

How can environmental factors influence phenotype?

Back

Environmental factors can affect the expression of genes, leading to variations in phenotype.

Front

What is the role of DNA in genetics?

Back

DNA carries the genetic information that determines traits.