What is the difference between a longitudinal section and a cross section?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

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.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.