Which of the following is NOT an example of a once-accepted scientific fact or theory that turned out not to be true?

A)
The Milky Way Galaxy is the universe.

B)
Earth, fire, air, and water are the four elements.

C)
The Sun is the center of the universe.

D)
Blood circulates in and out of the same vessels located throughout the body.

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3