5. Which of the following is NOT true about a recessive gene trait?
A. It is expressed when the genotype is heterozygous.
B. It can be masked by a dominant gene trait.
C. It is expressed only when a dominant gene isn't present.
D. It can be expressed when the genotype is homozygous.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

What do all of the above organisms have in common

What is the next step in muscle contraction after the actin changes shape