Genetics Review

Genetics Review

Multiple Choice

A hydra reproduces asexually by budding. Which best explains the hydra bud (offspring)?

• It contains genetic material from both parents

• The bud is genetically identical to the parent hydra

• It has different mutations than the parent hydra

• It has half as much genetic material as the parent hydra

Multiple Select

In one student's family, two children have brown eyes and one child has blue eyes. Which of these processes is responsible for variety?

• binary fission

• sexual reproduction

• asexual reproduction

• budding

Open Ended

Some butterflies have brown bodies and brown wings while others have white bodies and white wings. The brown butterflies land on the brown bark of oak trees and the white butterflies land on the white bark of aspen trees. If the aspen trees are cut down, what would happen to the white butterflies?

Multiple Choice

Certain frogs communicate by croaking. Frogs that cannot croak are less likely to find a mate and reproduce. For this reason, there are few frogs that cannot croak. This is an example of what?

• natural selection

• selective breeding

• learned behavior

• genetic replication

Fill in the Blanks

Often times, farmers choose qualities in a bull and a cow to make superior beef. The process of choosing organisms for the most desirable traits for mating is known as

Multiple Choice

When a litter of kittens is born, the kittens will exhibit certain physical characteristics that can be found in one or both of the parent cats. These characteristics passed down from parent to offspring are considered to be?

• acquired traits

• selective breeding

• natural selection

• inherited traits

Multiple Select

Three sisters have a similar appearance but different face shapes. Which of these cell components are involved in determining the basic shape of each girl's face?

• genes

• chromosomes

• nucleus

• fission

Multiple Choice

What type of reproduction results in offspring that have genes from two parents?

• budding

• asexual reproduction

• selective breeding

• sexual reproduction

Multiple Choice

What is an advantage of sexual reproduction?

• diverse offspring

• identical copies of DNA

• reproduce quickly

• easy reproduction

Open Ended

What does the structure of DNA represent?

Multiple Choice

What statement best describes the function of DNA?

• DNA is found in cells

• DNA resembles a twisted ladder composed of alternating sugar and phosphate molecules with nitrogen base pairs as steps

• DNA encodes all information needed to create and direct the chemical instructions of life as well as produce the diversity found in all living organisms

• the function of DNA

Multiple Choice

Where is DNA located?

• only in plant cells

• only in animal cells

• only in bacteria cells

• in almost all cells

Multiple Choice

When a trait has two forms and one trait is expressed over the other, that trait that is expressed is said to be__

• recessive

• homozygous

• dominant

• genotype

Fill in the Blanks

The heredity information in animal and plant cells is located on chromosomes which are stored in the cell's

Multiple Choice

How can an individual contract a genetic disease?

• A person's parents would have to carry genetic material within their chloroplasts which could be passed down

• A person would have to have been exposed to environmental influences such as living next to a nuclear power plant

• Genetic disorders can be transmitted in so many ways that it is impossible to tell how a person acquired the disease

• A person's parents would have to carry genetic material for the disease within their chromosomes which could be passed down

Multiple Choice

What best describes this genotype "BB"

• homozygous

• heterozygous

• homozygous dominant

• heterozygous dominant

Multiple Choice

If one pea plant carries the dominant trait for purple flowers and breeds with a pea plant that has the recessive trait for white flowers and has 4 offspring; how many of the offspring will have purple flowers?

• 1

• 2

• 3

• 4