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Chapter 9-1

vocabulary

TermDefinition
genetics field of biology devoted to understanding how charecterstics are transmitted from parents to offspring
heredity the transmission of charecterstics from parents to offspring
trait a genetically determained variant of a charecterstic
pollination when pollen grains produced in the male reproductive parts of the flower are transmitted to the femele parts of the flower
self-pollination occurs when the pollen is transferred form the anthers of a male to the stigma of a femele plant of that same one or of one of the same breed
cross-pollination occurs between flowers of two plants
true-breeding always produce offspring with a specific trait when they self-pollinate
P generation the true-breeding plants
F1 generation the offspring of the P generation
F2 generation the plants in F1 offspring
dominant the trait that maskes the factor for the other trait in the pair
recessive the trait that gets covered up in a pair
law of segregation states that a pair of factors is seperated during the formation of gametes
law of independent assortment states that factors seperate independently from one another during the formation of gametes
molecular genetics study of the structure and function of chromosomes and genes
allele each of two or more alternitive forms of a gene
Created by: mccuddenm16
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