A chart that shows how a trait passes down in a family is called a _________.

In genetics genes are represented by letters. When gender is represented, the genotype of a male is ____________ and the genotype for a female is ______________.

A pedigree shows how a trait passes down in a family. The circles represent _____________ and the squares represent ______________.

He collected data about pea plants. He kept notes of the crosses with pea plants. Who is he?

The scientific study of how traits pass from parents to offspring is called __________________.

Freddie was studying organ systems in science class. Which of these is a MAJOR role of the circulatory system in organisms?

Some traits are called sex-linked traits because they are carried on the chromosomes that determine whether the person is male or female. Which of the following two diseases are BEST know for being sex-linked?

Hybrid is a term for ___________ and consists of gene pairs with alleles that are different.

Which of the following body organs protects the body’s internal organs?

Purebred is also called _________ and consists of gene pairs with alleles that are the same.

Is bb homozygous or heterozygous?

Is Rr homozygous or heterozygous?

Sonya has a stuffy nose, has trouble breathing, and coughs a lot. Which of her body systems in being affected?

In Squidward’s family, a blue body color (B) is dominant to green (b). What genotype would represent a heterozygous blue body color?

Which of these describes how the respiratory and circulatory systems work together to help cells obtain oxygen and remove waste?

Lyndie is jumping on a trampoline and notices she is breathing harder and her pulse is faster. Which organs are working to cause this to happen?

Alcohol is a classified as a ____________ drug.

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