Chapter 6 Study Guide: Modern Genetics Flashcards
one of the 23 pairs of chromosomes in each body cell
Sex Chromosomes
three or more forms of a gene that code for a single trait
Multiple Alleles
genes on the x and y chromosomes
Sex-Linked Gene
a person who has one recessive allele for a trait and one dominant allele
Carrier
an abnormal condition that a person inherits through genes or chromosomes
Genetic Disorder
a chart or family tree that tracks which family members of a family have a particular trait
Pedigree
a picture of all the chromosomes in a cell
Karyotype
the process of selecting organisms with desired traits to be parents of the next generation
Selective Breeding
the process of crossing two individuals that have similar characteristics
Inbreeding
when breeders cross two genetically different individuals
Hybridization
an organism that has exactly the same genes as the organism from which it was produced
Clone
genes from one organism are transferred
Genetic Engineering
involves inserting copies of a gene directly into a person’s cells
Gene Therapy
all the DNA in one cell of an organism
Genome
