Patterns of inheritance?

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What was the early theories of inheritance?
Blending inheritance, Particulate inheritance
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What is blending inheritance?
Genes blended and can never be separated
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What is the particulate Inheritance?
Both genes remain intact and both inherited
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Define allele
Different forms of a gene which occupy the same position on a chromosome that cover the same character
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What is homozygous ?
same alleles such as AA
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What is heterozygous?
Different alleles a dominant and a recessive Aa
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Define Phenotype?
Physical appearance as a result of the genotype
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How can genetics become complex?
Genes can mutate over time giving new alleles, Several alleles for single character, Allele may not show dom-rec relationship. Single allele may have multiple phonetic effects.
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What is wild-type genes?
Allele present in most individuals
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Define Codominance?
Two alleles on locus produce different phenotypes that both appear in heterozygous individuals.
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Define epistatis?
When phenotypic expression of one gene is effected by another gene.
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What is another factor that can affect phenotype?
Environment
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What is qualitative variation?
Individual will either have one trait or another
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What is quantitive variation?
Phenotypes may vary continuously eg height
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Other cards in this set

Card 2

Front

What is blending inheritance?

Back

Genes blended and can never be separated

Card 3

Front

What is the particulate Inheritance?

Back

Preview of the front of card 3

Card 4

Front

Define allele

Back

Preview of the front of card 4

Card 5

Front

What is homozygous ?

Back

Preview of the front of card 5
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