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Bio 132 > Types of Inheritance > Flashcards

Types of Inheritance Flashcards

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Biology 101 flashcards
1
Q

Sex Linkage Definition

A

A gene is located on a sex chromosome

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2
Q

Sex Linkage Consequences/Comment

A

Patterns of inheritance in males and females differ

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3
Q

Linkage Definition

A

Two or more genes are on the same chromosome

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4
Q

Linkage Consequences/Comment

A

Linked genes do not assort independently

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5
Q

Incomplete dominance Definition

A

Heterozygotes have intermediate phenotype

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6
Q

Incomplete dominance Consequences/Comment

A

This pattern is common, and more than two phenotypes are seen

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7
Q

Codominance Definition

A

Heterozygotes have phenotypes of both alleles

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8
Q

Codominance Consequences/Comment

A

More than two phenotypes are seen because heterozygotes have a unique phenotype

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9
Q

Multiple allelism Definition

A

In a population, there are more than two common alleles for a locus

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10
Q

Multiple allelism Consequences/Comment

A

More than two phenotypes are often seen

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11
Q

Polymorphism Definition

A

In a population, there is more than one phenotype associated with a single gene

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12
Q

Polymorphism Consequences/Comment

A

Common when there are two or more alleles of a gene

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13
Q

Pleiotropy Definition

A

A single gene affects many traits

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14
Q

Pleiotropy Consequences/Comment

A

Pleiotropy is common

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15
Q

Gene-gene interaction Definition

A

The phenotype associated with an allele depends on which alleles of another gene are present

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16
Q

Gene-gene interaction Consequences/Comment

A

This pattern leads to one allele being associated with different phenotypes

17
Q

Gene-environment interaction Definition

A

Phenotype is influenced by the environment experienced by the same individuals with the same genotype

18
Q

Gene-environment interactions Consequences/Comment

A

Same genotypes can lead to different phenotypes

19
Q

Polygenic Inheritance of Quantitative Traits Definition

A

A trait that exhibits continuous variation rather than coming in distinct types

20
Q

Polygenic Inheritance of Quantitative Traits Consequences/Commentg

A

Unlike alleles that determine discrete traits, each allele adds a small amount to phenotype

Bio 132 (2 decks)

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