Genetics (What do you know!)

What is genetics?

• The study of birds

• The study of hereditary

• The study of cells

• The study of plants

What is a gene?

• A piece of DNA on a chromosome that codes for a trait

• An entire chromosome

• A piece of clothing

• A hormone

Different versions of a gene are called...

• Alleles

• Recessive

• Dominant

• Characteristics

What is a genotype?

• The genetic make-up of an organism

• What an organism physically looks like

What is a phenotype?

• The genetic make-up of an organism

• What an organism physically looks like

The probability of flipping a coin once and getting heads is...

• 1/2

• 1/3

• 1/4

• 1/5

What is a dominant allele?

• A trait that can be hidden (lower case letter)

• Alleles that are different

• A trait that is always shown (capital letter)

• Alleles that are the same

What is a recessive allele?

• A trait that is always shown (capital letter)

• Alleles that are the same

• Alleles that are different

• A trait that can be hidden (lower case letter)

Genes always appear in pairs. Your parents donate ________ allele for every trait.

• 1

• 2

• 23

• 46

What is Bb?

• Homozygous

• Heterozygous

• Recessive