Урок 2 Flashcards

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1
Q

Gene

A

Inherited Factor that determines a characteristic

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2
Q

Allele

A

One or two more alternative forms of a gene

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3
Q

Locus

A

Specific place on a chromosome occupied by an allele

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4
Q

Genotype

A

Set of alleles passed by an individual organism

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5
Q

Heterozygote

A

An individual possessing two different alleles at a locus

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6
Q

Homozygote

A

an individual possessing two of the same alleles at a locus

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7
Q

Phenotype

A

The appearance or manifestation of a character

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8
Q

Monohybrid cross

A

Cross between parents differed in a single characteristic

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9
Q

Reciprocal Cross

A

Crossing two parents of different traits

eg. wrinkly vs smooth

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10
Q

Dominant

A

If there, trait will be expressed (not always most common trait)

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11
Q

Recessive

A

Trait will only be expressed if two of them are together

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12
Q

Mendel’s First Law of Segregation

A

Each individual posseses two alleles coding for a trait. These separate when gametes are formed and alleles separate in equal proportions

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13
Q

Independent Assortment/Mendel’s 2nd Law

A

alleles at different loci separate independently

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14
Q

Test Cross

A

an individual of unknown genotype is crossed with another individual with a homozygous recessive genotype

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15
Q

Wild Type

A

Common allele for a character

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16
Q

Di-hybrid Cross

A

Cross between 2 different traits

ex: wrinkled &yellow X round &green