Exam 3: Genes, Environment, and Development

What determines the chromosomal sex of a child?

The odds of having a child with Down syndrome increase with maternal

What was once thought to be "junk" DNA is now known to

Which term is best defined as an infant's tendency to respond in predictable ways?

A(n) _____ gene-environment relationship exists when a child's genotype elicits specific reactions from others.

Olive has very red eyes, while her husband Skye has very blue eyes. Interestingly, their son's eyes are best described as purple. The eye color of their child best exemplifies the concept of

When describing her last prenatal visit, Yang says, "They basically inserted a tube into my uterus via my vagina and took a tissue sample from the sack surrounding my fetus." Given this description, Yang appears to have undergone

What might make a physician suspect that the person from whom she has just drawn blood has sickle-cell disease?

The belief that we inherit tried and true ways of adjusting to the environment from past generations is referred to as

Maria gives birth to a child with trisomy 21. Which of the following is true?

What would be the strongest piece of evidence you could gather to show that genetic factors influence personality?

As a hemophiliac, Charles has a deficiency in his blood's ability to

The fact that type AB blood appears to be the result of a compromise between genes for type A and type B blood provides a good example of

Some genes aid in adaptation more than others.

A gene

We know that two people have precisely 50 percent of their genes in common if they are

If Huxley is ethically opposed to the creation of "designer babies" through DNA manipulation, he would likely be strongly opposed to

With regard to twins, monozygotic is to dizygotic as

A typical child with Down syndrome will have cells with 47 chromosomes.

During a(n) _____ genetic diagnosis, the first cells from a fertilized egg are examined for genetic defects.