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ch 9 voc -b DC
ch 9 voc -b DC
18
Biology
9th Grade
04/13/2011

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Term
molecular genetics
Definition
the study of structure and function of chromosomes and genes
Term
recessive
Definition
a trait that does not appear in the F1 generation but does appear in the F2 generation
Term
pure
Definition
offspring always have the trait of the parents
Term
stigma
Definition
female reproductive parts of a flower
Term
F1 generation
Definition
offspring of the P1 generation
Term
heredity
Definition
the transmission of characteristics from parents to offspring
Term
F2 generation
Definition
the second filial generation
Term
law of independent assortment
Definition
factors of different characteristics are distributed to gametes independently of other characteristics
Term
dominant
Definition
a factor that masks the effect of another characteristics
Term
anther
Definition
the male reproductive parts of a flower
Term
strain
Definition
plants that are pure for a specific trait
Term
trait
Definition
a physical characteristic
Term
self-pollination
Definition
pollen from the anther of a flower is transferred to the stigma of the same flower
Term
laws of segregation
Definition
a pair of factors is separated during the formation of gametes
Term
allele
Definition
alternative forms of a gene
Term
cross-pollination
Definition
pollen of one flower is transferred to another flower
Term
P1 generation
Definition
parental generation
Term
pollination
Definition
the transfer of pollen grains form the male reproductive parts to the female reproductive parts
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