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22 Cards in this Set
- Front
- Back
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MSDS
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Material Safety Data Sheet
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Red Health Hazard
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Fire, 12 o'clock.
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Yellow Health Hazard
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Reactivity, 3 o'clock.
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White Health Hazard
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Special 6 o'clock
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Blue Health Hazard
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Health, 9 o'clock.
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3 o'clock health hazard
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Reactivity, yellow
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9 o'clock health hazard
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Health, blue
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12 o'clock health hazard
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Fire, red
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6 o'clock health hazard
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Special, white
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Health Hazard Numerical Scale
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0: Not dangerous
4: Dangerous |
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How many flies should be used in a cross?
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8.
3 virgin females 5 males |
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What is meconium?
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The remains of larval food. The metabolic waste product from the pupal stage that is expelled through the anal opening of the adult.
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sepia x dumpy
Which is female? |
Sepia
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Write a cross between a dumpy female and a sepia male.
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dumpy x sepia
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What are 2 identifying features of virgin female flies?
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1.light green body color
2. hard, tan cuticle |
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3 differences between male and female flies besides genitalia?
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1. Male has a "sex comb" on its 1st legs
2. Female: 7 tergites, 6 sternites Male: 5 tergites, 4 sternites 3. Female abdomen curves to a point posteriorly and ends in an ovipositor and anal plates. Male abdomen is shorter and blunter. |
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4 stages of drosophila life cycle?
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1. egg
2. larva 3. pupa 4. adult (imago) |
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what do drosophila eat?
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any fermenting medium; soft fruit, fruit juices
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What is used to anesthetize the flies?
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CO2
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at 25 degrees, how long until a fruit fly reaches maturity?
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10 days
(about 5 from egg to larva) |
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which part of the larva becomes the adult? What happens to the rest of the larva?
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Larva develops 4 imaginal discs that undergo eversion to produce the adult. The larval tissues undergo histolysis and are destroyed by phagocytes.
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What cross will we be doing in week 1?
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dp x se and a reciprocal se x dp
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