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Genetics Vocab


heredity the passing of traits from parents to offspring
genetics the science of heredity
gene the section of DNA that codes for one specific trait
Gregor Mendel the Father of generics
trait characteristics such as leaf shape or eye color that are passed from parent to offspring
dominant trait a genetic trait that expresses itself more strongly that another trait
recessive trait a genetic trait that is hidden by a dominant trait
Punnett square a tool that shows how genes can combine; used to predict the results of genetic crosses
homozygous an organism with two identical units for a trait
heterozygous an organism with two identical units for a trait
hybrid an organism with a dominant unit and a recessive unit for a trait
phenotype the external appearance of an organism
genotype the genetic makeup of an organism
incomplete dominance a condition where two units (genes) for a trait are both expressed (example: read and white flowers produce pink flowers)
Human Genome Project a project designed by scientists around the world to map the location of every gene on all the human chromosomes
allele the different forms of a gene
asexual reproduction the reproductive process that involves only one parent and produces offspring that are identical to the parent
sexual reproduction the reproductive process that involves two parents who combine their genetic material to produce a new organism, which differs from both parents
Created by: bekah0515