Intro to Genetics Quiz

What is the term for the alleles for a trait that are always exhibited if they are present in the organism's genes?

• zygote

• trait

• recessive

• dominant

What is the term for alleles for a trait that are only exhibited if an organism inherits two of them (aa).? (this is when the dominant allele is NOT present)

• dominant

• recessive

• zygote

• meiosis

The different forms of a gene are called

• Nucleus

• pollination

• alleles

• purebred

Genetics is the study of...

• how chromosomes are passed from child to parent

• how cells multiply and divide until a human is formed.

• how genes are passed on from one generation to the next.

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The characteristics that an organism has, such as hair color, eye color, tall or short, skin color.

• genes

• traits

• personality

• chromosomes

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Who is the "father of genetics"?

• Hargobind Khurana

• Robert Hooke

• Gregor Mendel

• None of the above

Why did Mendel study pea plants?

• easily available, easy to grow, grow rapidly. no accidental cross-pollination

• hard to grow, they cross-pollinate, and hard to find

• easily available, the right colors, take a long time to grow

Gregor Mendel's breeding experiments with this plant led him to formulate basic laws of heredity.

• garden tomato

• garden bean

• garden pea

• garden strawberry

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When Mendel crossed a short plant with a tall plant, what were the F1 results?

• all short

• all tall

• half short, half tall

• 75% tall, 25% short

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Eye color, hair color and the shape of your eyes can be inherited.

• True

• False

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