Shared Flashcard Set

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Vocab
Mr.Smith
15
Science
7th Grade
01/17/2012

Additional Science Flashcards

 


 

Cards

Term

 

 

 

Multiple Alleles

Definition

Three or more forms of a gene

that code for a single trait.

Term

 

 

 

Sex Chromosomes

Definition

A pair of chromosomes carrying genes that determine whether a person is male or female.

Term

 

 

 

Sex-Linked Chromosomes

Definition

A gene that is carried on the X or Y chromosomes

Term

 

 

 

Carrier

Definition

A person who has one recessive allele for a trait, but does not have the trait.

Term

 

 

 

Genetic Disorder

 

Definition

An abnormal condition that a person inherits through genes or chromosomes.

Term

 

 

 

Pedigree

Definition

A chart or "Family Tree" that tracks which members of a family have a particular trait.

Term

 

 

 

Karyotype

Definition

A picture of all chromosomes in a

cell arranged in pairs.

Term

 

 

 

Selective Breeding

Definition

The process of selecting a few organism with desired traits to serve as parents of the next generation.

Term

 

 

 

Inbreeding

Definition

A selective breeding method in which two individuals wit identical or similar sets of alleles are crossed.

Term

 

 

 

Hybridization

Definition

A selective breeding method in which two genetically different individuals are crossed.

Term

 

 

 

Clone

Definition

An organism that is genetically identical to the organism from which it was produced.

Term

 

 

 

Genetic engineering

Definition

The transfer of a gene from the DNA of one organism into another organism, in order to produce an organism with desired traits.

Term

 

 

 

Gene Therapy

Definition

The inserion 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.

 

 

 

Term

 

 

 

 

Definition
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