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Newborn babies weighing less than 4 pounds at birth are at considerable risk for eventual mental retardation and various behavior problems. Which of the following seems to be most responsible for this relationship?
A) These babies inherit a weak genetic structure from their father.
B) Hospitals give small babies less attention, on average, than larger babies.
C) Most small babies have Down syndrome or other identifiable medical disorders linked to brain malformation.
D) Mothers of low-weight babies tend to be young or poor and unlikely to get proper medical or nutritional care for themselves or the babies.
Mental Retardation
An outdated and insensitive term historically used to describe individuals with significant intellectual disabilities.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays and physical features unique to the condition.
Brain Malformation
Abnormalities in the structure of the brain that arise due to errors in the developmental process, potentially leading to various neurological deficits or conditions.
- Learn how the environment can affect or lessen the impact of genetic conditions.
- Recognize the significance of genetic research findings for understanding human diversity and commonalities.
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Learning Objectives
- Learn how the environment can affect or lessen the impact of genetic conditions.
- Recognize the significance of genetic research findings for understanding human diversity and commonalities.
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