Drosophila Jeopardy
Developmental
Stages
Heredity
Mutations
Experiments
General
Characteristics
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Developmental Stages for 100
The Drosophila life cycle consists of ___
stages.
What is 4 (egg, larva, pupa, adult)?
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Heredity for 100
How many pairs of chromosomes do
Drosophila have?
What are four pairs?
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Mutations for 100
.Flies with this type of mutation require only
one copy of the gene to exhibit the
mutation in the phenotype.
What is a Dominant gene?
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Experiments for 100
The reason a fly media is used in genetic
crosses of Drosophila.
What is a food/water source?
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General Characteristics for 100
How large is the average specimen of
Drosophila?
What is 2-4 mm?
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Developmental Stages for 200
The pupal stage consists of ___ days.
What is 4 days?
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Heredity for 200
Based on the assumption that a Drosophila
has the normal number of autosomes,
what would be the sex of a Drosophila
having XXY sex chromosomes?
What is female?
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Mutations for 200
Flies that exhibit a “normal” phenotype, the
one most common in their population, are
said to have this type of phenotype.
What is a wild-type (gene,allele,phenotype)?
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Experiments for 200
Genetic crosses involving Drosophila
mutants is generally associated with this
type of genetics.
What is forward genetics?
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General Characteristics for 200
What is the common term for an instar
larva?
What is a caterpillar?
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Developmental Stages for 300
The average generation time of Drosophila
is ___ to ___ days.
What is 9 to 10?
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Heredity for 300
In Drosophila, eye color follows what
pattern or inheritance?
What is X-linked inheritance?
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Mutations for 300
Flies with this mutation produce no red
pigment in their eye.
What is the White-eyed mutation?
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Experiments for 300
Overanesthetizing a fruit fly can cause
_____ or _____.
What is sterility or death?
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General Characteristics for 300
What was the major discovery by Thomas
Hunt Morgan using Drosophila?
What is X-linked inheritance?
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Developmental Stages for 400
Name 3 physical differences between male
and female Drosophila.
What is body size, wing size, genitalia color,
presence/absence of sex combs on
forelimbs, or abdomen shape (any 3).
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Heredity for 400
Why must virgin females be used in genetic
crosses of Drosophila?
What is that females are capable of storing
sperm from multiple partners and using it
to fertilize eggs at a later time, which
could skew results.
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Mutations for 400
There is a form of color mutation in flies
that is responsible for building up tancolored pigments in normal fruit flies. A
mutation that produces a deficiency in the
production of the mentioned gene will
produce this abnormal color body.
What is Ebony(black) or what is the ebony
gene?
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Experiments for 400
The phenotypic and genotypic ratios of
resulting progeny from a cross between a
white-eyed female Drosophila and a redeyed male.
What is ½ Xw+Xw , red-eyed females and ½
XwY, white-eyed males?
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General Characteristics for 400
What year was the Drosophila genome
sequenced?
What is 2000?
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DAILY DOUBLE!!!!!!
___ to ___ hours after emergence, female
Drosophila can begin to mate.
What is 8-12 hours?
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Heredity for 500
In Drosophila, sex is determined by the ratio
of _________ to _________.
What is the number of X chromosomes to
the number of haploid sets of autosomes?
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Mutations for 500
Flies with this recessive mutation have a
defect in the second chromosome in their
“vestigial gene” that inhibits their ability to
fly.
What is the short-winged mutation?
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Experiments for 500
Five reasons Drosophila make a good model
organism.
What is they produce many progeny, they are
small in size, have a short generation time, are
inexpensive, easy to culture/maintain in a lab,
have large chromosomes, have many mutations
available, a small genome (any 5)?
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General Characteristics for 500
What percentage of genes do Drosophila
have in common with humans?
What is about 50%?
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Independent Project – 4/19/11
Brenna Carlson
John Lee
Chelsea Micheals
Kelsey Stupica