chapter 6 study guide Flashcards
Three or more forms of a gene that code for a single trait
Multiple alleles
One of the 23 pairs of chromosomes in each body cell that decide the gender
Sex chromosomes
Genes on the x or the Y chromosome
Sex-linked genes
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
Pedigree
a picture of all of the chromosomes in a cell
Karyotype
a process in which organisms are selected to be parents of the next generation
Selective breeding
involves cross in individuals with similar characteristics
Inbreeding
when breeders cross two genetically different individuals
Hybridization
an organism that has exactly the same traits as the organism from which it was produced
Clone
when genes from one organism are transferred in to the DNA of another organism
Genetic engineering
a process which will involve inserting copies of a gene directly into a person’s cells.
Gene therapy
all the DNA in one cell of an organism
Genome
