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ch 5 terms
Term | Definition |
---|---|
multiple allels | three or more form a gene that code for a single trait |
sex chromosomes | carry genes that determines whether a person is male or female |
sex-linked genes | alleles are passed from parent to child on a sex-chromosome |
carrier | person who has one reccesive allele for a trait and one dominant allel |
genetic disorder | mutatins in the Dna of genes |
pedigree | is a chart that tracks which members of a family have a particular trait |
karyotype | a picture of all chromosomes in a cell |
selective breeding | a process of selecting organisms worth desired traits to be parentsof the next generation |
inbreeding | crossing of two indidvuals that have the same characteristic |
hybridization | breeders cross two genetically different individuals |
clone | an organism that has exactly the same gene |
genetic engineering | genes from one organism are transferd into the Dna of another organism |
gene therapy | involve inserting copies of a gene directly into a persons cells |
genome | all the Dna of one cell in a organism |