Week 3 Life Science Test Review

#1 - This is graphic representation of who our ancestors were. It looks similar to a family tree.

• chromosome

• pedigree chart

• genome

• hybrid

When parents hand down an order of traits, it is called _______.

• heredity

• chromosome

• hybrid

• recessive

Which of the below is an example of cross-pollination?

• A farmer plants a field of tomatoes next to a field of corn.

• When a bee takes the pollen from one plant and then comes in contact with another plant.

• Miss Gallagher combines roses and daisies in a vase.

• A mule which has genes of a horse and donkey.

How many chromosomes are in your cells?

• 23

• millions

• trillions

• 46

A mule is a hybrid animal made from the DNA of a horse and donkey.

• True

• False

Why do flamingos turn pink?

• They have a specific gene for pink feathers

• They eat food in their environment that has a red pigment giving their feathers a pink color

• They live in places with red clay and it turns them pink.

• Some flamingos have a red gene, others a white gene, therefore offspring are pink.

An ATTRIBUTE is a physical characteristic, quality, or tendency that someone or something has while a TRAIT is a quality belonging to a particular person or thing.

• True

• False

To grow or develop very well.

• dominant

• gene

• thrive

• heredity

What type of plants did Gregor Mendel experiment with?

• tomato

• corn

• pea

• wheat

DOMINANT genes are those traits that appear in an offspring while RECESSIVE are those traits carried in an offspring but do no appear.

• True

• False