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:Exposure to endocrine disrupting chemicals, including BPA,
during mouse fetal development can program changes in CpG
methylation. Higher levels of methylation of the agouti gene
in mice are reflected in a change in coat colour from yellow to
dark.
BPA diet + methyl supplementation
Standard control diet
40
BPA diet alone
30
20
10
Slightly
Mottled
Mottled
Heavily
Mottled
Yellow
Pseudo-
agouti
coat colour
In one sentence, state how the BPA diet alone generally
affects coat colour and methylation relative to the control
diet.
Percentage of offspring (%)
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