GENETICS

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

What did Gregor Mendel cross-pollinate in his genetics experiments?

Plants / pea plants

400

What would the genotype be for a female that is a carrier for a X-linked trait?

X^AX^a

500

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

Heredity

Genetics 2

100

What are the gametes for the genotype AaBB?

AB, AB, aB, aB

200

What is another word for purebred?

homozygous

300

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

Hybrid/heterozygous

400

What is the the genotype for a female?

XX

500

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

Gregor Mendel

Genetics 3

100

What is the law of independent assortment?

Alleles separate from each other during gamete formation.

200

This occurs when egg and sperm join to make offspring.

fertilization

300

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

Punnett square

400

What is a punnett square that tracks two traits simultaneously called?

Dihybrid Cross

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

In a human, there are how many autosomal chromosomes?

44

400

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

co-dominant / codominance

500

Neither trait is dominant over the other and the two blend together.

Incomplete Dominance

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