1. Explain the difference between genes and alleles.

Why is sexual reproduction more advantageous than cloning

What is responsible for identifying foreign invaders and remains in the system for a long period of time? antigens red blood cells lymph nodes axons

3. Which plant organelle carries out photosynthesis and produces the gas?

The polymerase chain reaction makes DNA fingerprinting more reliable because it: A. allows the use of a larger amount of DNA for testing. B. allows the use of RNA instead of DNA for testing. C. allows bacteria to produce copies of DNA. D.

Squalene is an important compound, used in the synthesis of steroids and ear wax. It is composed of six isoprene units. Squalene is classified as a:a. Monoterpeneb. Diterpenec. Hexiterpened. Triterpene

Which type of chromosomal mutation causes this form of Down syndrome?

Chlorine is added to kill remaining microorganisms in the water. true or false.

Sensation is the process by which our sensory receptors and nervous system take in stimulus energies from the environment;

1) which of the following describes part of a phenotype? A) Gg. B) homozygous. C) having frekeles. D) heterozygous.

When hardy-Weinberg principle