Genetics

Traits/DNA

100

What is an inherited trait? 

A characteristic that is passed down from parent to offspring

200

What is the definition of a trait? 

A specific characteristic of an organism.

300

List 3 traits that are inherited by offspring. 

Teacher will check

Vocabulary

100

Give an example of a homozygous dominant genotype

AA

200

What is an allele?

It represents different forms of a gene. Ex) e or E

300

A section of a chromosome that has genetic information for ONE trait

Gene

Reproduction

100

If a farmer chooses her best-producing cows to breed with a bull what method is the farmer using to breed her animals? 

Artificial selection. 

200

What is an advantage of reproducing asexually?

Reproduce quickly

300

What process allows for humans to grow? Mitosis or Meiosis? 

Mitosis

Punnett Squares

100

Each box in a Punnett square represents what % chance? 

25%

200

List the genotypes and how likely they are to occur for the following cross: Bb x Bb

BB: 25%

Bb: 50%

bb: 25%

300

What phenotype(s) are possible when you cross bb x Bb? What is the % chance that each will occur? 

B= brown eyes

b= blue eyes

Brown eyes: 50%

Blue eyes: 50%

Genotype/Phenotype

100

Give an example of a homozygous recessive genotype

aa

200

What phenotype will the genotype Aa show? 

The dominant trait

300

Define phenotype and give an example

Physical traits that appear from the genotype. Ex. blonde hair, brown eyes, tall..