Chapter 2 Lesson 4: Traits and Heredity

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Last updated 3:18 AM on 6/25/26
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18 Terms

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heredity

The passing down of physical characteristics or behaviors from parents to their offspring.

<p>The passing down of physical characteristics or behaviors from parents to their offspring.</p>
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inherited trait

A characteristic that a living thing receives from its parents through its genes.

<p>A characteristic that a living thing receives from its parents through its genes.</p>
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instinct

An inherited behavior that an animal is born with and does not have to learn.

<p>An inherited behavior that an animal is born with and does not have to learn.</p>
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learned behavior

A way of acting that an animal develops through practice and its life experiences.

<p>A way of acting that an animal develops through practice and its life experiences.</p>
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imprinting

A learned behavior where a young animal forms a social bond with another organism.

<p>A learned behavior where a young animal forms a social bond with another organism.</p>
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gene

A chemical instruction for an inherited trait that is passed from parents to offspring.

<p>A chemical instruction for an inherited trait that is passed from parents to offspring.</p>
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chromosome

A structure in the cell nucleus that stores the genes for an organism's traits.

<p>A structure in the cell nucleus that stores the genes for an organism's traits.</p>
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dominant trait

A form of a trait that masks or hides another form of that trait.

<p>A form of a trait that masks or hides another form of that trait.</p>
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recessive trait

A form of a trait that is hidden or masked by a dominant form.

<p>A form of a trait that is hidden or masked by a dominant form.</p>
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pedigree

A chart used to trace and study the history of traits in a family.

<p>A chart used to trace and study the history of traits in a family.</p>
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carrier

An individual who has inherited a gene but does not show the trait physically.

<p>An individual who has inherited a gene but does not show the trait physically.</p>
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Gregor Mendel

The person who discovered the basic principles of heredity by studying garden pea plants.

<p>The person who discovered the basic principles of heredity by studying garden pea plants.</p>
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nucleus

The part of a cell where chromosomes and genetic instructions are kept.

<p>The part of a cell where chromosomes and genetic instructions are kept.</p>
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pea plants

The organisms Gregor Mendel used because they produce seeds quickly and have easy to trace traits.

<p>The organisms Gregor Mendel used because they produce seeds quickly and have easy to trace traits.</p>
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capital letter

The type of symbol used to represent a dominant form of a trait in science.

<p>The type of symbol used to represent a dominant form of a trait in science.</p>
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lowercase letter

The type of symbol used to represent a recessive form of a trait in science.

<p>The type of symbol used to represent a recessive form of a trait in science.</p>
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reproduction

The biological process where inherited traits are passed from parents to their offspring.

<p>The biological process where inherited traits are passed from parents to their offspring.</p>
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flower color

An inherited trait in plants that Gregor Mendel studied to understand how heredity works.

<p>An inherited trait in plants that Gregor Mendel studied to understand how heredity works.</p>