1 chromosome theory of heredity everything you wanted to know but were afraid to ask!
TRANSCRIPT
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Chromosome Theory of Heredity
Everything you wanted to know but were afraid to ask!
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Walter _______
Genes described by Mendel are on the ___________.
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Chromosomal Theory of HeredityGenes located on chromosomes and each gene occupies a specific ______ on the chromosome
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_____ Genes
Genes which effect another ______.
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Expected vs. Actual 25% gray
normal 25% black
small 25% black
normal 25% grey small
___% gray normal
___% black small
___% black normal
___% grey small
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Linkage groups
Genes that move together and are ______ linked
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Crossing-Over
Some ______ amongst chromosomes
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Gene map specific loci for genes
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Sex Linked traits
On the ___ chromosomes (________ are non-sex chromosomes)
XY- location on the _ chromosome. _ Linked trait
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Everybody ’s Mutations!!!Latin- mutation means ______
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Chromosomal MutationsIf a _____ chromosome changes
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___-disjunction
Chromosomes don’t _______
_______: 3N, 4N – ____ to humans, better in plants
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Gene mutation
Mutations in the _______
____ mutation is in a single base sequence
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Ex.
AUG, UAG, AUU, CUAAUG, UGG, AUU, CUA
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Frame shift mutation
Moves the reading _____ of the sequence
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x… frameshift
THE CAT ATE THE RAT
THE CTA TET HER AT
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Gene expression
Genes code for _____
_____ and enzyme to cause phenotypes
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________ dominance
ex. carnation colorenzymes don’t completely ________
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__________
Both alleles show up.No small case lettersex. Blue chickens
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________ Inheritance
Many genes causing phenotype
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Karyotype
DiploidCells
HaploidCells