Exam 3: Seciton 3: Beginnings: Heredity and Environment

James was born with genes to be a professional athlete, but his environmental experiences never supported the development of his potential athletic ability so he never became a professional athlete. This example illustrates the concept of a trait being _____.

All of the following affect vision EXCEPT _____.

Michelle and Greg are having a baby and are hoping for a boy. Who is responsible for determining the sex of the baby?

Eyeballs change shape at typical stages of development, including puberty and middle adulthood. This makes it more likely that _____ will increase at puberty, and _____ will decrease during middle adulthood.

Monozygotic twins have _____ of their genes in common.

When a baby is born, the zygote has become about _____ trillion cells.

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is _____.

After about the eight-cell stage within the zygote, cells start to _____, meaning that they take different forms and reproduce at various rates depending on where they are located.

The _____ is the person's appearance, behavior, and brain and body functions.

When an ova is surgically removed from an ovary, fertilized in a glass lab dish, and then inserted into the uterus, this process is referred to as _____.

Timur and Juan are playing basketball. Timur shoots the ball and Juan blocks the shot. Timur says, "Wow, I didn't realize how tall you were until you did that!" Timur's comment refers to Juan's _____.

Sally and Tim were planning on starting a family. Sally's extended family have several sets of dizygotic twins. When speaking with their doctor, Sally asked what could cause her to have dizygotic twins. The doctor informed her that the likelihood of having dizygotic twins will be determined by _____.

One of the 46 molecules of DNA (in 23 pairs) that virtually each cell of the human body contains and that, together, contain all the genes is called a(n) _____.

Oliver has inherited genes that put him at risk for developing diabetes, but he never develops diabetes due to a healthy diet and exercise. This example demonstrates that human characteristics, including diabetes, are _____.

Each human has a total of about _____ genes.

On the 23rd pair of chromosomes, females have _____.

A couple has been trying to conceive a child for 12 months. They decide to consult with a doctor who recommends that they consider using _____, in general, to try to conceive a child.

Which of the following statements is true about alcoholism?

Males have one X and one Y on _____.

The name of the full set of genes that provides the instructions for making living organisms is the _____.