PSYCH 3313 Chapter Notes - Chapter 5: Single-Nucleotide Polymorphism, X-Inactivation, Neural Tube
22 Sep 2016
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Document Summary
Genetics and the development of the human brain. The genetic bases of behavior: from genome to trait. Genotype the genetic composition of an individual organism. Consist of 23 matched pairs of chromosomes (made of. Phenotype the observable appearance of an individual organism. Genes a functional hereditary unit made up of dna that occupies a fixed location on a chromosome. Constructed from adenosine (a), cytosine (c), guanine (g) Gene expression the translation of the genotype into the phenotype of an organism. Strand of dna produces copy of itself on strand of rna; bases occur in groups of 3 called codons; each codon provides instructions to made one of 20 amino acids. Alleles alternative version of a particular gene. Homozygous having two identical alleles for a given gene. Heterozygous having two different alleles for a given gene. Recessive alleles a gene that will produce its characteristic. A. 8. phenotype only when it occurs in a homozygous pair.
