Genetics and the environment/lifestyle choices

When scientist speak of genetic traits, what are they referring to?

• human characteristics that are inherited from our parents

• human characteristics that are a product of our environment

• things we learn from society, like manners

• the chemicals that make up our DNA

Which of the following statements about the characteristics of organisms is correct?

• Genes alone determine the characteristics or organisms

• A combination of genes and the environment determine the characteristics of organisms.

• organisms have the same characteristics as their parents

• Environment alone determines the characteristics of organisms

What is the genetic contribution of parents to offspring?

• Each parent gives half of their genetic information to their offspring.

• Both parents give all of their genetic information to their offspring.

• female parents donate all of their genetic information and male parents donate half

• The parents' genetic contributions are random, with unpredictable amounts from each parent.

Which of the following is not a lifestyle choice?

• genetics

• drugs

• alcohol

• tobacco

Humans normally have 23 pairs of chromosomes. Sometimes people are born with 47 chromosomes. This is an example of:

• cancer

• a genetic disorder

• a lifestyle choice

• a nutritional disease

In some poor countries there is no clean water. As a result, people suffer from high levels of intestinal disease. This is an example of people being impacted by

• laziness

• environmental factors

• lifestyle choices

• water treatment

In a developing embryo (baby), which parts of the body are most easily damaged if the mother drinks alcohol during pregnancy?

• brain

• embryonic stem cells

• heart muscle

• reproductive organs

Which of the following is an environmental factor that can influence growth and development?

• alcohol

• air quality

• diet

• genetic disease

What effect can smoking have on a growing fetus(baby)?

• smoking rarely affects fetal development

• It can lead to reduced birth weight and other complications

• It can cause babies to have lung cancer

• It can lead to increased birth weight

Smoking cigarettes can

• cause lung damage

• damage a developing baby

• become addictive

• all of the answers