LS Ch. 3 Heredity and Genetics

Traits that are passed from parents to their offspring.

• genetics

• inherited traits

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Having two like genes for the same trait.

• heterozygous

• homozygous

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Large molecule located in chromosomes which carries our genes.

• chromosomes

• RNA

• dominate genes

• DNA

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A gene whose trait always shows itself.

• dominate

• recessive

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Mia and William are exploring genetics in their science class. They come across a chart that shows possible gene combinations. What is this chart called?

• Karyotype

• DNA

• Punnett square

• Replication

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The field of biology that studies the inheritance of traits.

• biology

• genetics

• ecology

• microbiology

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How many chromosomes do human begins have?

• 46

• 23

• 64

• 2

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The Austrian monk who is often referred to as the father of genetics

• Gregor Mendel

• James Watson

• Francis Crick

• Albert Einstein

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Having two unlike genes for a trait.

• homozygous

• dominate

• heterozygous

• recessive

Gregor Mendel learned that there were dominant and recessive genes

when he studied ___________

• peanuts

• pea plants

• corn

• people

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