GENETICS REVIEW

Genetics 1

100

How many dominant alleles are needed for a particular trait to show up?

1

200

What is another word for heterozygous?

hybrid

300

Process which creates egg and sperm cells, resulting in variation.

Meiosis

400

This is a number that describes how likely it is that an event will occur.

Probability

500

This is the passing of physical characteristics from parent to offspring.

Heredity

Genetics 2

100

Are reading, dancing, singing acquired traits or inherited traits?

Acquired traits

200

What is another word for purebred?

homozygous

300

An organism with 2 different alleles for a trait is called a ______.

Hybrid/heterozygous

400

This type of organism has 2 dominant alleles for a trait.

Homozygous dominant

500

This was the scientist who first began studying heredity and genetics.

Gregor Mendel

Genetics 3

100

This is a person who studies genetics.

Geneticist

200

This occurs when egg and sperm join to make offspring.

fertiization

300

This shows all of the possible outcomes of a genetic cross.

Punnett square

400

This process creates identical body cells.

Mitosis

500

Different forms of a gene.

alleles

Genetics 4

100

This is the study of heredity

genetics

200

This is an organism's genetic makeup.

Genotype

300

This type of organism has 2 different alleles for a trait

Heterozygous

400

This occurs when 2 traits are neither dominant nor recessive, both show up.

co-dominant / codominance

500

Different forms of your characteristics

Traits

Genetics 5

100

TT and tt are both examples of a ___________ trait.

purebred/homozygous

200

This is an organism's physical appearance.

Phenotype

300

What happens when a recessive allele is paired up with a dominant allele?

It is hidden / doesn't show up

400

This type of organism has 2 recessive alleles for a trait

Homozygous recessive

500

Factors that control traits are called.....

Genes