Quarter 2 Review

Front

What is a genotype with one dominant and one recessive allele called?

Back

Heterozygous

Front

What is a genotype where both alleles are the same called?

Back

Homozygous

Front

What is a scientific law?

Back

A scientific law is a statement that describes a consistent and universal relationship observed in nature.

Front

What is a recessive allele?

Back

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

Front

How can scientific theories be changed?

Back

Scientific theories can be changed by new evidence and advancements in understanding.

Front

What is the difference between a dominant and recessive allele?

Back

A dominant allele expresses its trait even when only one copy is present, while a recessive allele requires two copies to express its trait.

Front

What is the purpose of a scientific theory?

Back

A scientific theory explains why phenomena occur based on evidence and observations.

Front

What is an example of a scientific law?

Back

Newton's Law of Universal Gravitation, which describes the gravitational attraction between masses.

Front

What does it mean for a trait to be inherited?

Back

It means that the trait is passed from parents to offspring through genes.

Front

What is the role of alleles in genetics?

Back

Alleles are different versions of a gene that determine specific traits.