The Genetics of the Fruit Fly

Drosophila melanogaster

Pick Up Handout!

A.P. Biology

Mr. Knowles

The Wild-Type (+) Fly

Wild-type Flies

Female Male

Wild-type Male

Fruit Flies Have 4 Pair of Chromosomes

Egg Laying in D. melanogastor

Drosophila Embryogenesis

Wild-type (Normal) Drosophila Movement

A Kinesin Mutant Larva

Wild-type Head

Antennapaedia Mutant

Bristle Mutations

Antennae Mutations

Eye Color Mutations

White-eyed (w)

White-eye

Sepia Flies

Sepia Male

Eye Shape Mutations

Body Coloring Mutations

Ebony (eb)

Wing Shape Mutations

Vestigial (vg)

Vestigial

Wing Morphology Mutations

Dumpy (dp)

Your Mission!By making Monohybrid Crosses...

• Determine which trait (wild-type or mutation) is dominant or recessive.

• Determine if your mutation is sex-linked?