Which type of mutation results in an extra copy of all or part of a chromosome?

1. How many minutes does it take a P wave to travel 2000 Km?

Now that i have plants with large yellow flowers, will i continue to be able to to breed them and continue to get mostly large yellow flowers

What is the number one determining factor in the types of organisms that can live in a body of water? a. temperature b. density c. distance from people d. salinity

What is filler metal, and why might it be needed to produce a joint?

Both plants are producers and use photosynthesis to make food. There are differences between the two plants even though they carry out the same processes.

Under what conditions will the body use significant amounts of protein for energy during exercise? a. Inadequate calorie intakeb. Inadequate calorie intake and inadequate carbohydrate storesc. Inadequate carbohydrate storesd. Inadequate fluid intake

Which of the following is a true statement about hypotheses? A. It is not possible to test hypotheses through scientific investigations. B. Even if hypotheses are not supported by data, they can still be valuable. C.

A homozygous recessive female mates with a heterozygous male. What percentage of the offspring could be homozygous dominant? a. 50% c. 0% b. 100% d. 25%

Which best describes the vulva? a) It is a muscular organ where a developing offspring grows. b) It is the external part of the female genital organs. c) It is the birth canal of the female reproductive system.

The diagram shows a simple lipid. What type of lipid is shown? saturated unsaturated phospholipid triglyceride