'Human blood types' diaporamas de présentation

Mendelian Genetics and the Inheritance of Genetic Traits

Mendelian Genetics and the Inheritance of Genetic Traits. Gregor Mendel: Father of Modern Genetics. IB Topic 4.3- Theoretical Genetics Campbell: Ch. 14 Allott: Ch. 12. Theoretical Genetics Defined:.

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Today: Inheritance for 1 gene

Today: Inheritance for 1 gene. Fig 13.5. {Producing gametes}. Sexual reproduction creates genetic diversity by combining DNA from 2 individuals, but also by creating genetically unique gametes. {Producing more cells}. haploid. X 23 in humans. X 23 in humans. diploid. X 23 in humans.

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Types of Inheritance:

Types of Inheritance:. Autosomal Dominance (A.D.) : If the genotype contains a dominant allele, the phenotype will show the dominant trait. If it does not contain a dominant allele, it will show the recessive trait.

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Heredity

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Chapter 12 Section 3-Complex Inheritance of Human Traits

Chapter 12 Section 3-Complex Inheritance of Human Traits. I) Codominance in Humans. **Note: phenotypes of both homozygotes are produced in heterozygotes ? ex/sickle cell anemia B) Sickle Cell Anemia (SCA) i) Basics of SCA Major health problems in US & Africa

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Dominance and Multiple Allele Notes

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Revisions to Mendel

Revisions to Mendel. Some alleles are neither dominant or recessive, and many traits are controlled by multiple alleles or multiple genes. So special rules must be used for these cases. Incomplete dominance Codominance Multiple Alleles Lethal Alleles Sex Linked Inheritance Polygenic Traits.

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Dominance and Multiple Alleles

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Human Blood Types

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AP Biology

AP Biology. Lecture #27 Exceptions to Mendelian Genetics. Extending Mendelian genetics. Mendel worked with a simple system peas are genetically simple most traits are controlled by a single gene each gene has only 2 alleles, 1 of which is completely dominant to the other

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Chapter 10 Patterns of Inheritance

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Multiple Alleles

Multiple Alleles. Multiple Alleles. Remember: Chromosomes occur in pairs . (homologous pairs) the different alleles of a gene occupy the same positions on each chromosome. Multiple Alleles. So far each gene we have discussed has been made of two possible alleles.

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Incomplete Dominance & Codominance

Incomplete Dominance & Codominance. Codominance. red. Defined : when a single gene has more than one dominant allele Ex: Cattle Coat Red cow x White cow = Myth: Colors blend Reality: Both colors are equally seen Ex: Human Blood types Type A x Type B = Type AB. white. roan.

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