4.1 and 4.2 review

The different forms of a gene are called...

• Genes

• Chromosomes

• Alleles

A factor that controls a trait is called a(n)...

• Gene

• Chromosome

• Allele

An organism that has two identical alleles for a trait is a __________ organism.

The passing of traits from parents to offspring is called...

• Genetics

• Heredity

• Genes

A number that represents the chance of an event happening is called...

• Probability

• Genetics

• Punnett square

The study of heredity is called...

• Heredity

• Genetics

• Probability

Select the two answers that explain why Mendel chose pea plants for his experiment.

• They were easy to get.

• The traits were simple and easy to track.

• They grew and reproduced quickly.

• They were fun to look at.

What type of letter represents a recessive allele?

• Capital

• One of each

• Lowercase

• None of the above

In the P generation of Mendel's cross, both parents were...

• Heterozygous

• Homozygous

• Tall

• Short

What is incomplete dominance?

• An inheritance pattern where you see a blending of the two traits

• An inheritance pattern where you see each trait separately (ex. black and white spots)

• An inheritance pattern where one trait is dominant and the other is recessive