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Bio 160 > Genetics > Flashcards

Genetics Flashcards

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Biology 101 flashcards
1
Q

Aleele

A

A form of a gene, green eyes vs brown eyes.

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2
Q

Gamete

A

A sex cell that has a haploid number of chromosomes

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3
Q

Diploid

A

The full number of chromosomes found in every cell except sex cells

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4
Q

Haploid

A

Half of the diploid number of chromosomes, found in sex ells

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5
Q

Zygote

A

The product of fusion of sex cells

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6
Q

Autosomes

A

a chromosome that is not a sex chromosome

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7
Q

Homologous

A

A pair of chromosomes that carry the gene for the same trait.

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8
Q

Homozygous

A

Having the same alleles for one trait

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9
Q

Heterozyous

A

Having two different alleles for the same trait

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10
Q

Phenotype

A

The trait that shows

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11
Q

Genetype

A

What the genes say for a certain trait

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12
Q

Character

A

Explains eye color, hair type, ect not blue brown straight curly.

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13
Q

Trait

A

The condition of a character, ei hair color is the charater the trait would be red blond brown ect.

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14
Q

X- linked traits

A

Look like an X or a Y. The traits that occur in the lower arm of the X are X-linked

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15
Q

Gene

A

A unit of genetic information coded by a specific DNA sequence

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16
Q

Mendel’s 1st law

A

Segregation: two alleles for the same gene segregate into to different cells during meiosis.

17
Q

Mendel’s 2nd law

A

Independent assortment: alleles sort interdependently of each other.

18
Q

True Breeding

A

Hymozygous, either recessive or dominant

19
Q

Particulate

A

The idea that parents pass on genetic traits to their offspring

20
Q

Hybridization

A

Mating two true breeding varieties of opposite features

21
Q

Monohybrid cross

A

A cross between two hetrozygotes for one charter

22
Q

Dihybrid cross

A

A cross between two true breeding hetrozygotes for two characters

23
Q

Complete dominance

A

phenotype of hetrozygote and homezygote are identical.

24
Q

Incomplete dominance

A

Two alleles blend together

25
Q

Codominance

A

Two dominant alleles both show, ei blood type

Bio 160 (14 decks)

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