Science Unit 2 Flashcards

(16 cards)

1
Q

Gene

A

A code for a specific trait. It instructs the cell how to make specialized proteins.

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2
Q

Double Helix

A

The shape of DNA.

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3
Q

DNA

A

The instruction code for all life.

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4
Q

Phenotype

A

The visual trait.

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5
Q
A
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6
Q

Define: Gene

A

A code for a specific trait. It instructs the cell how to make specialized proteins.

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7
Q

Define: Double Helix

A

The shape of DNA.

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8
Q

Define: DNA

A

The instruction code for all life.

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9
Q

Define: Phenotype

A

The visual trait.

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10
Q

Define: Genotype

A

The combination of alleles.

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11
Q

Define: Dominant Allele

A

Alleles that show their effect even if only one is present.

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12
Q

Define: Recessive Allele

A

Alleles that only show their effect if paired with an identical allele.

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13
Q

Define: Homozygous

A

When two alleles (dominant or recessive) are the same.

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14
Q

Define: Heterozygous

A

When there is one dominant and one recessive allele.

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15
Q

Define: Sexual Reproduction

A

Reproduction by which offspring arise from two like organisms.

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16
Q

Define: Asexual Reproduction

A

Reproduction by which offspring arise from a single organism.