Genetics and Heredity

Genetics and Heredity

Multiple Choice

Who is the Father of Genetics?

• James Watson

• Francis Crick

• Gregor Mendel

Multiple Choice

A physical characteristic is called a

• gene

• trait

• heredity

Multiple Choice

The passing of physical characteristics from parent to offspring is

• genetics

• traits

• heredity

Multiple Choice

The process by which one flower pollinates another flower is called

• self-pollination

• cross-pollination

• fertilization

Multiple Choice

The process by which a flower pollinates itself is

• self-pollination

• cross-pollination

• genetics

Multiple Choice

The study of heredity is

• self-pollination

• cross-pollination

• genetics

Multiple Choice

Different forms of a gene are called _____________.

• alleles

• genes

• characteristics

Multiple Choice

An organism that has the same alleles for a trait is a

• purebred

• hybrid

Multiple Choice

The joining of egg and sperm cells is called _______________.

• cross-pollination

• self-pollination

• fertilization

Multiple Choice

An organism that has two different alleles for a trait is called a

• purebred

• hybrid

Multiple Choice

The allele that is hidden when a dominant allele is present is called the ________________.

• recessive allele

• dominant allele

• trait

Multiple Choice

The allele that is always expressed when present is the

• recessive allele

• dominant allele

• trait

Multiple Choice

A factor that controls a trait is a

• chromosome

• genome

• gene

Multiple Choice

When Mendel crossed a purebred tall with a purebred short the offspring were

• all of medium height

• all short

• all tall

• some were tall and some were short

Multiple Choice

When Mendel allowed the F₁ tall plants to self-pollinate what were the offspring like?

• all tall

• all short

• 3:1 ratio of tall to short

Multiple Choice

Capital letters are used to represent

• dominant traits

• recessive traits

Multiple Choice

Lower case letters are used to represent

• dominant traits

• recessive traits

Multiple Choice

An organism's physical appearance are called the

• phenotype

• genotype

Multiple Choice

An organism's genetic make up is the

• phenotype

• genotype

Multiple Select

Check all examples of homozygous genotypes.

• Tt

• TT

• tt

• SS

• Ss

Multiple Select

Check all examples of heterozygous genotypes.

• SS

• Ss

• ss

• Tt

• tt

Multiple Select

Check examples of phenotypes.

• TT

• Tall

• Tt

• Short

Multiple Choice

A Punnett square shows all the possible allele combinations of

• parents

• offspring

Multiple Select

Check all examples of inherited traits.

• eye color

• a scar

• hair color

• nose shape

• ability to play an instrument

Multiple Select

Check all examples of acquired traits.

• eye color

• a scar

• hair color

• nose shape

• ability to play an instrument