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tyeshia chapter5
mutiple alleles
15
Science
7th Grade
12/08/2010

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Term
multiple alleles
Definition
Three or more forms of a gene that code for a single trait
Term
sex chromosome
Definition
A pair of chromosomes carrying genes that determine weather a person is male or female.
Term
sex liked gene
Definition
A gene that is carried on the x or y chromosome
Term
carrier
Definition
A person who has one recessive allele for a trait, but does not have the trait
Term
genetic disorder
Definition
it is an abnormal condition that a person inherits through genes or chromosomes
Term
pedigree
Definition
it is a chart or "family tree" that tracks
Term
karytype
Definition
is a picture of all the chromosomes in a cell
Term
selective breeding
Definition
the process of selecting a few organisms with desired traits to serve as parents of the next generation
Term
inbreeding
Definition
a selective method in which two individuals with identical or similar sets of alleles are crossed
Term
clone
Definition
is an organism that has exactly the same genes as the organism from which it was produced
Term
hybridization
Definition
a selective breeding method in which two genetically different individuals are crossed
Term
genetic
Definition
the scientific study of heredity
Term
genetic engineering
Definition
the transfer of a gene from the DNA of one organism into another organism with desired traits
Term
gene therapy
Definition
the insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder
Term
genome
Definition
all of the DNA in one cell of an organism
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