Exam 2: Heredity and the Environment

The Human Genome Project (HGP) has been a gigantic scientific undertaking, which has caused amazing developments in the fields related to child psychology. Explain the nature, purpose, and work product of the Human Genome Project. Then, discuss the impact of the findings of the HGP on pregnancy choices, disease therapy, and ethical dilemmas surrounding its use.

In order to appreciate the impact of genetic inheritance on development, it is important to understand the process of cell division. Explain what a zygote is and then describe the processes of mitosis and meiosis that take place in the developing organism.

Your textbook listed five alternative techniques for conception. Define three of these techniques and then compare and contrast the procedures used in each to achieve conception.

________ is the genetic limits on the effects of the environment.

Genes are molecules that dictate how our cells develop and coordinate to form the human body.

Your teenage son describes a new male classmate as "pretty weird." He tells you that this classmate "looks more like a girl than a boy" because he's not growing facial hair like other boys. He also says that the classmate seems to have difficulties reading and that a lot of kids don't like him. Of the following, which is most likely to be true?

________ are the type of twins formed when two eggs are fertilized by two different sperm cells.

________, also called Down syndrome, is a genetic disorder that occurs when there is an extra 21st chromosome.

Joanne's mother has arched feet, and her father has flat feet. Joanne will probably have

During ___________, a trait, characteristic, or behavior emerges over the course of development.

Which of the following is the term for cell division that is also known as "reduction division"?

Sickle cell disease

Briefly describe the number of chromosomes in a human cell and how chromosomes are related to genes. Next, continue your description by explaining how dominant and recessive traits can be understood through the interaction of genes.

It is the individual's environment that controls which parts of the genome are activated, according to the probabilistic epigenesis theory.

All of the following are possible complications of amniocentesis EXCEPT