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7th grade - Science

Chapter 15: Modern Genetics Vocabulary

QuestionAnswer
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; carry genes that determine whether they are male or female. Sex chromosomes
Genes of the X and Y chromosomes; the alleles are passed from parent to child on sex chromosomes Sex-linked gene
A person who has one recessive and one dominant allele for a trait Carrier
An abnormal condition that a person inherits through genes or chromosomes Genetic disorder
A chart or "family tree" that tracks which family members have a certain trait Pedigree
A picture of all the chromosomes in a cell Karyotype
The process of selecting a certain organism with the desired traits Selective breeding
Crossing two individuals that have similar characteristics Inbreeding
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 into the DNA of another organism Genetic engineering
Involves inserting copies of a gene directly into a person's cells, used to correct genetic disorders Gene therapy
All the DNA in one cell of an organism Genome
Created by: rogersroost
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