Genetics

What is genetics?

• the study of heredity

• the study of molecules

• the study of animals

• the study of evolution

What is heredity?

• the genes that you have

• the way genes effect the body

• all the different types of genes

• how genes are passed from one generation to the next

Which is an example of a phenotype?

• Bb

• brown hair

• hair color

• Mom and dad each pass on a gene for hair color

Which is an example of a genotype?

• Bb

• brown hair

• hair color

• Mom and dad each pass on a gene for hair color

What does it mean for an organism to be true breeding?

• they only breed with other individuals just like them

• they are self fertilizing and their offspring are identical to them

• they are asexual to all off spring are identical to them

• the only breed with other organisms that are true to themselves

Alleles are passed from parent to offspring

• randomly

• however the parents choose

• to best benefit the offspring

• in a predetermined order

What is the relationship between alleles and genes in organisms?

• for each gene there is one allele

• there is no relationship between them

• there are multiple genes for each allele

• there are multiple alleles for each gene

Which of the following is an example of a heterozygous phenotype?

• Aa

• AA

• aa

• None of these

Which of these is an example of a homozygous genotype?

• Aa

• aa

• AA

• Both AA and aa

What is the term used for DNA when it's in it's condensed form

• chromotid

• chromosome

• chromatin

• ribosome