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Ch.3 Life Scienc (B)

Heredity and Genetics

homozygous having two like genes for the same trait;
heterozygous having two unlike genes for the same trait;
dominant gene gene whose trait always shows itself;
recessive gene gene of a trait that is hidden when the dominant gene is present;
Punnett Square chart that shows possible gene combinations;
gender sex of a person or other organism;
sex-linked traits traits that are controlled by the sex chromosomes;
carrier an organism that has a recessive gene for a trait but does not show the trait;
pedigree chart that shows inheritance of certain traits over several generations;
inherited disease disease caused by an inherited gene;
probability the chance of an event occurring;
genotype the gene combination for a given trait in an organism;
phenotype the appearance of a trait in an organism;
Created by: cpasteris