GENETICS

Genetics 1

100

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

1

200

What alleles will be displayed for heterozygous?

Hh,Bb,Aa

one capital and one lowercase letter

300

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

Plants / pea plants

400

An error in the genetic code

Mutation

500

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

Heredity

Genetics 2

100

What are chromosomes?

long strands of compacted DNA

200

Suppose you have ATCGT on one strand. What will be on complementary strand?

TAGCA

300

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

Heterozygous

400

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

Homozygous dominant

500

Mutations are rare, but when they happen, they can be helpful or.... (two answers)

harmful, or neutral

Genetics 3

100

What are sections of DNA called?

Genes are section of DNA

200

How many chromosomes does each parent contribute to a child?

23

300

This is used to show all of the possible outcomes of a genetic cross. (used to cross traits)

Punnett square

400

An individual's gene, two alleles inherited for a particular gene.

What is genotype?

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

A quality, or characteristic of an individual

Trait

400

An individuals observable traits like hair color, eye color, blood type

What is phenotype?

500

What are the letters of the four nitrogen bases?

A T C G 

Genetics 5

100

TT and tt are both examples of a ___________ trait.

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