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Molecular Science

21st Century Study Words

QuestionAnswer
genetics study of heredity
heredity passing of traits from parents to offspring
inherited traits traits that are passed from parents to their offspring
traits characteristics
chromosomes threadlike structures in the nucleus of a cell that control heredity
genes parts of chromosomes that control inherited traits
DNA chemical contained in chromosomes, the code of life
replication process by which DNA is duplicated
dominant gene gene that always shows itself
hybrid having two unlike genes
recessive gene gene that is hidden when the dominant gene is present
blending combination of genes in which a mixture of both traits shows
sex-linked traits traits that are controlled by the sex chromosomes
inherited disease disease caused by an inherited gene
genetic engineering methods used to produce new forms of DNA
gene splicing moving a section of DNA from the genes of one organism to the genes of another
sex chromosomes X and Y chromosomes, males are XY, females are XX
allele different forms a gene may have for a trait
incomplete dominance both alleles are expressed in offspring
Punnett square chart that shows possible gene combinations
genotype the genetic makeup of an organism
phenotype the way an organism looks and behaves as a result of its genotype
homozygous an organism with two alleles that are exactly the same
polygenic inheritance occurs when a group of gene pairs acts together to produce a single trait
heterozygous an organism that has two different alleles for a trait
Created by: tbyrne
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