Approximately how many genes do humans have?

a. 10000

b. 20000

c. 50000

d. 100000

Explain how a persons DNA can be determined whether or not he has hemophilia

Which came first, The Chicken or The Egg?

4. If the offspring of a dihybrid cross have a 9:3:3:1 phenotypic ratio, what must be true of the parents' genotypes? Both parents are heterozygous for only one trait. Both parents express the dominant trait. Both parents express the recessive trait.

Which of the following is true of the composition of all materials? A. All materials are made up of large parts that can only be seen by the human eye. B. All materials are made up of living cells. C. All materials are made up of only one part. D.

In which direction do longitudinal waves travel? They travel perpendicular to the direction of the disturbance. They travel parallel to the direction of the disturbance. They travel in random directions. They travel around in a circular motion.

Many questions about ethical concerns and issues of personal morality cannot be answered by science. True False

This nutrient is needed for proper growth and development and functions to repair and replace body cells.

Which statement, made by a client diagnosed with an anxiety disorder, should trigger the nurse's concern about the client's understanding of the use of defense mechanisms?

When the carbon atoms of the glucose molecule are broken apart in glycolysis and the Krebs cycle, what is the result?

Which of the following are items that are a threat to biodiversity? pollution and succession habitat loss and predation poaching and habitat loss succession and poaching