130 Lecture Notes - Lecture 4: Quantitative Trait Locus, Epigenetics, Heritability

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28 Jul 2016
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Discuss whether it is possible to separate the influences of nature and nurture on development. Dna: genetic material inherited from mother and father found in chromosomes found in the nucleus. Genes: regions of the chromosomes that encode particular protiens. Chromosome: half from each parent (23 chromosome pairs) Describe the difference between dominant and recessive traits including homozygous and heterozygous alleles. Homozygous: when genes are the same at the same locus. Heterzygous: when genes are different at the same locus: dominant: the trait that will be expressed, recessive: the trait that is not expressed. Explain the importance of studying monozygotic and dizygotic twins. Studying twins is important for learning about the environment and genetics. Genotype: genetic make up of a trait. Phenotype: trait that is expressed someone who is a heterozygous and has brown eyes and someone who is homozygous brown eyes: phenotype says brown, genotypes are different between the two people. Polygenic: result of more than one genes action.

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