Ch 6 Flashcards

0
Q

Genetics

A

The study of genes

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1
Q

Trait

A

A characteristic that is inherited

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2
Q

Purebread

A

A flower line that has self pollinated itself for years and has no other traits but itself in it

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3
Q

cross

A

mating of two organisms

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4
Q

Law of segregation

A

Organisms inherit two copies of each gene, one from each parent

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5
Q

gene

A

a piece of DNA to provide instructions for to body

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6
Q

Allele

A

Any alternative forms of a gene

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7
Q

homozygous

A

two of the same alleles at a specific locus

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8
Q

heterozygous

A

two different alleles at the same locus

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9
Q

Genome

A

the material that a organism is made of

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10
Q

Genotype

A

Any specific type of genes

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11
Q

Phenotype

A

Physical characteristics in a in an individual organism

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12
Q

Dominant Allele

A

The more common and powerful allele in an organism

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13
Q

Recessive

A

An allele that is expressed only two of them are present

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14
Q

Punnet square

A

A grid system that predicts traits of an organism

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15
Q

Monohybrid cross

A

The inheritance of only one specific trait

16
Q

test cross

A

A cross between organisms that their genotypes are not known

17
Q

dihybrid cross

A

A cross between two different traits

18
Q

Law of independent assortment

A

Alleles pairs that are separate during meiosis or gamete formation

19
Q

Probability

A

The percent or chance that something will happen