Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 48, Problem 1DAA
Summary Introduction
To determine: The common sex in offspring of women with less than one microgram per milliliter of PCB in serum.
Concept introduction:
Imbalance in sex ratio may arise as an effect of various factors such as natural factors, exposure to various contaminated chemicals, pesticides, and other environmental contaminants. Polychlorinated Biphenyls (PCBs) are widespread environmental contaminants that possess teratogenic and oncogenic properties. These chemicals increase the male/female ratio. The maternal contamination with PCBs is also connected with low birth weight and shorter height in males.
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