Fill in the blanks. the transporter protein the w gene a fruit fly trait The mutation in affected the structure and function of in a way that affected
Fill in the blanks. the transporter protein the w gene a fruit fly trait The mutation in affected the structure and function of in a way that affected
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:The eyes of fruit flies look red because they contain
molecules called pigments, which color the eyes
red. Cells in the eyes of fruit flies have parts that
make these pigments from other molecules.
Time
elapsed
00
34
04
HR MIN SEC
The molecules that will become pigments are
brought inside these cell parts by a protein called a
transporter. This transporter protein is encoded by
the w gene.
Challenge
Stage 2 of 2
Get 6 correct
in a row
a white fly eye (left) and a red fly eye
Scientists in a lab found a fruit fly that had white
eyes. This fly had a mutation in its w gene.
Compared to the w gene without a mutation, the
mutated w gene encoded a form of the transporter
protein with a different structure.
This different form of the transporter protein could
not bring molecules into the parts of the fly's eye
cells where pigments are made. So, the fly's eyes
had no pigments.
Fill in the blanks.
the transporter protein
the w gene
a fruit fly trait
The mutation in
affected the structure and function of
in a way that affected
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