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Chapter 9 Section 1

ch 9 sec 1

TermDefinition
genetics the field of biology dedicated to understanding how characteristics are transmitted from parents to offspring.
heredity the transmissions of characteristics from parents to offspring.
trait a genetically determined variant of a characteristic, such as yellow flower color.
pollination when pollen grains produced in the male reproductive parts of the flower are transferred to the female reproductive parts of the flower.
self-pollination when pollen is transferred from the anthers of the flower to the stigma of the of that flower.
cross-pollination pollination occurring between flowers of two plants.
true-breeding pure
P generation the true breeding parents
F1 generation the offspring of the P generation
F2 generation the second filial generation
dominant trait that dominates the trait of the other pair
recessive trait that is controlled by the dominant trait
law of segregation states that a pair of factors is segregated during the formation of gametes
law of independent assortment states that factors separate independently of one another during the formation of gametes
molecular genetics the study of the structure and function of chromosomes and genes
allele each of two or more alternative forms of a gene
Created by: zhaberstich
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