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The Genetics of the Fruit Fly Drosophila melanogaster Pick Up Handout! A.P. Biology Mr. Knowles
The Wild-Type (+) Fly
Fruit Flies Have 4 Pair of Chromosomes
Egg Laying in D. melanogastor
Wild-type (Normal) Drosophila Movement
A Kinesin Mutant Larva
Eye Color Mutations
Eye Shape Mutations
Body Coloring Mutations
Wing Shape Mutations
Wing Morphology Mutations
Your Mission! By making Monohybrid Crosses... Determine which trait (wild- type or mutation) is dominant or recessive. Determine if your mutation is sex-linked?
Fruit Fly Genetics Drosophila melanogaster
Fruit Fly Genetics.
Drosophila Jeopardy Developmental Stages HeredityMutationsExperiments General Characteristics
Mutant phenotypes Short aristae Black body Cinnabar eyes Vestigial wings Brown eyes Long aristae (appendages on head) Gray body Red eyes Normal wings Red.
*Lab manual protocol will not be used
The Chromosomal Basis for Inheritance. Thomas Hunt Morgan Early 1900s Columbia University (New York) Studied genetics of Drosophila melangaster (the common.
Female and male (wild-type) Sex comb on male No sex comb on female Dark pigmented spot on rounded abdomen of male; male is also usually smaller than female.
1. The genes for mahogany eyes and ebony body are recessive and 25 map units apart on an autosome in Drosophila. A mahogany- eyed female (wild type body,
Sex-Linkage (X-Linked Traits)
The Chromosomal Basis of Inheritance Connecting Mendel's Work to Chromosomes.
Data from trihybrid crosses can also yield information about map distance and gene order The following experiment outlines a common strategy for using.
Recombination January Orientation of alleles on a chromosome.
Genetics of Organisms AP Lab 7.
Drosophila Lab: Exploring Genetics
POST MENDELIAN GENETICS
Key Terms- P1 + F1 Generations. Boy or a Girl? If you was two have a child, what would be the likelihood of them being a boy or girl? How do you know.
1 Chromosomes, Mapping, and the Meiosis-Inheritance Connection Chapter 13.
Chromosomal Basis of Inheritance Featuring fruit fly: Drosophila Melanogaster.
Dominant AlleleRecessive AlleleR = red eyesr = white eyes A = curly wingsa = straight wings B= long, thin bristlesb=short, forked bristles Y = tan bodyy.
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