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science genetics def

genetices 7th grade definitions

heredity the passing of characteristics from one generation to the next (from parent to offspring)
alleles the different forms or variations a gene might have for a trait
genetics the scientific study of heredity
dominant the allele that overshadows another allele
recessive the allele that gets overshadowed
genotype the genetic makeup of an organism for a trait
homozygous an organism with two alleles for a trait that are exactly the same.
phenotpe an organism's physical appearance (a physical trait that shows)
heterozygous an organism with two different alleles for a trait
punnett square a tool for finding possibilities and probabilities
genotype genetic makeup
trait a characteristic that is inherited
gene a segment of DNA that codes for a trait
heredity the passing of traits form one generation to the next
Created by: kraftycheese6