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Honors Biology (Freshman) > 3.3.22 > Flashcards

3.3.22 Flashcards

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1
Q

Gametes

A

Sex Cells

Female gametes contain 1 X chromosome
Male gametes contain 1 X and 1 Y chromosome

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2
Q

Fertilization

A

The union of sperm and egg

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3
Q

Pollination

A

Transfer of male poillen grains to the female part of the flower.

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4
Q

Allele

A

Same gene different option (eye color, hair color)

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5
Q

P1

A

Parent generation

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6
Q

F1

A

Offspring of parents (1st filial)

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7
Q

Homologous Chromosomes

A

Paired chromosomes of a diploid cell

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8
Q

Somatic Cell

A

Body cell| Any cell except a sex cell

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9
Q

Zygote

A

Cell resulting from union of egg and sperm

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10
Q

Crossing over

A

When homogolous chromosomes are so close they exchange genetic material.

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11
Q

Codominant alleles

A

Neither trait takes over

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12
Q

Incomplete Dominance

A

When traits are blended.

EX: black and white mouse have a gray mouse.

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13
Q

Multiple alleles

A

Some traits are controlled by more than 2 alleles

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14
Q

Autosomes

A

Pairs of chromosomes that are not the sex chromosomes

Ex: humans have 22

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15
Q

Genetic Variation

A

Sex and Mutation

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16
Q

Sex-linked traits

A

Controlled by genes located on the sex chromosome

17
Q

Polygenix inheritance

A

Inheritance pattern controlled by 2 or more genes

18
Q

Testcross

A

Crossing of an individual of unknown genotype with one of a known genotype

19
Q

Carriers

A

Heterozygous individual

20
Q

Inbreeding

A

Mating between closely related individuals

21
Q

What is a mule known as?

A

A hybrid

22
Q

Almost all hybrids are what

A

Sterile

23
Q

Hybrids are

A

When 2 closely related species are crossed

24
Q

Aneuploidy

A

Having an abnormal number of chromosomes

25
Q

Karyotypes

A

Picture of chromosomes

26
Q

Hemophilia

A

Bleeding problems| Clotting factors

Honors Biology (Freshman) (24 decks)

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