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Bio exam 3
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Genetics
Study of Inherientence
Inherientence
Passing down traits from parents to offspring.
Peer-breeding
Self-polleniated, always produce offsprings - look like the parent
Mendal's Law of Dominant
Dominant, mask ressessive.
Homozygous
Both alleles are the same
Heterozygous
Alleles are different
Punnett's Square
Tool for calculating the probability offspring will have certain traits
Genotypte
Allele combination
Phenotype
Outward apperence
Mendal's Law of Independent Assortment
Passing down and individual traits is independent of other traits.
mendals laws of segregation
each offspring revieces 1 allel for each parent
incomplete dominance
dominant allel parially masks recessive allele
co-dominace
neither allele is masked by the other
both allele express their traits
simple trait
coded only 1 gene
polygenetic traits
coded for multiple traits
pleiotropy
one gene codes many traits
dominant disoders
hungingtons
polydactalylism
recessive disorder
sickle cell
cystic fibroses
x linked disorder
recessive disorder found on X chromosome
hemophelia
color blindness
pedigree chart
ways of tracking traits through family
helicase
unzips the 2 strands of DNA which forms double helix
protein synthesis
making new proteins
stages of proten synthesis
1/transcription - DNA read to create mRNA
2/ translation- mRNA read and decoded to create protein.
difference between DNA & RNA
RNA uses ribose as a sugar
RNA uses uracil instread of Tymine
RNA stays as a single strand
RNA stands are shorter than DNA
Author
Anonymous
ID
52835
Card Set
Bio exam 3
Description
bio exam
Updated
2010-12-02T07:29:59Z
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