Which of the following is a characteristic of a mixture?

A. it has varying properties

B. it has a fixed composition

C. It contains only pure substances

D. It has both varying properties and a fixed composition

How does mutations lead to genetic variation?

Professional who study and make predictions about human populations are called

Whats one benefit of gene splicing

List three examples of physical properties.

The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dominant trait. john is heterozygous for a cleft chin as is his wife betty. john and betty have three kids all of which have a cleft chins.

Which endocrine gland controls all of the other endocrine glands?

Examples of clues that use the senses to indicate hazardous materials include:

Monosaccharides are the simplest form of carbohydrates. They can be combined to form more complex carbohydrates known as polysaccharides, which are typically used for long term energy storage within a cell.

What is the reason that closely linked genes are typically inherited together?

Why does pulse (and breathing rate) increase during exercise? (relate to cellular respiration)