6.1.2 - Patterns of Inheritance Flashcards

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1
Q

Genotype

A

Allele combination leading to a specific phenotype

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2
Q

Discontinuous variation

A
Qualitative differences 
Clearly distinguishable categories (categorical)
Monogenic inheritance 
One/two genes 
An allele has a large effect
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3
Q

Continuous variation

A
Quantitative differences
Phenotypic diff have a wide range of variation in a pop. (sig affected by environment)
Each allele has a small effect 
Polygenic inheritance 
Large number of diff genes involved
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4
Q

Monogenic inheritance

A

One gene w/ 2 or more alleles

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5
Q

Monohybrid cross

A

1 gene, 2 alleles (r and d)

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6
Q

Drawing genetic crosses

A

Parental genotype
Parental phenotype
Parental gametes
F1 ratio for genotype then phenotypes

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7
Q

Codominant inheritance

A

Involves more than one dominant allele

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8
Q

Multiple alleles genetic crosses

A

1 trait
1 gene
>2 alleles

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