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Genetics

Module 1, lesson 1

QuestionAnswer
genetics the study of heredity and the variation of inherited characteristics
genes the basic unit of heredity
punnett square a square diagram used to predict the genotypes of offspring
asexual reproduction type of reproduction that only requires one parent. It does not require the fusion of gamete
sexual reproduction type of reproduction that involves the fusion of gametes
heredity the passing of physical or behavioral characteristics from parent to offspring
alleles one of two or more variations of a gene
trait a genetically determined characteristic
homozygous having two identical alleles of a particular gene
heterozygous having two different alleles of a particular gene
dominant trait a trait that will show if inherited
recessive trait a trait that needs both alleles to be expressed
genotype the genetic makeup of an organism
phenotype the observable characteristics of the organism
pedigree a chart that shows the occurrence and appearance of a particular trait
generation a body of individuals living in the same time period from a particular family
ratio a numerical comparison of how many offspring will have one trait over another
Created by: user-1857893
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