Chapter 10 assessment.

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Presentation transcript:

Chapter 10 assessment

If someone looks more like one parent than the other, did that person inherit more genes from that parent?

Basic Patterns of Inheritance Homozygous- organism with two of the same alleles for a trait. YY or yy Heterozygous- Organism with two different alleles for a trait. Yy

Recessive Genetic Disorders Cystic fibrosis Albinism rr Recessive Genetic Disorders Cystic fibrosis Albinism

In order to have a recessive disorder an organism must be homozygous recessive. yy A person that is heterozygous for a recessive trait is a carrier. Yy

Dominant Genetic Disorders Dr DD If you have one allele for this trait you will have the disorder. In order to not have the disorder an organism must be homozygous recessive. Huntington’s Disease Dominant Genetic Disorders

Pedigree Diagrammed Family History Used to study inheritance patterns of a trait through several generations Can be used to predict disorders in future offspring.

What are possible explanations for someone looking more like one parent? Quiz