How many genes are required to determine a polygenic trait?

A. one

B. two or more

C. several thousand

Which of the following is true about living organisms and cells? A. Some living organisms are made of cells, but most organisms are not. B. Most living organisms are made of cells, but some organisms are not. C.

What would the answer be

In chickens, having feathers on legs is dominant to having featherless legs. In a population of 200 chickens, 128 have featherless legs.

Some salmon have been genetically engineered to grow more quickly. the salmon are raised in pens set in rivers or in the sea. decsribe how these salmon might impact society and the environment

What is the name of the polysaccharide that plant use to store the sugar that is produced in photosynthesis

Animal cells are bathed in an isotonic fluid, and plant and bacteria cells have a cell wall. What does this protect the cell membrane from?

Explain why latin is the basic for many scientific names

What is incomplete penetrance and what causes it? incomplete penetrance means the heterozygote has an intermediate phenotype between the two homozygous phenotypes because of interactions with environmental factors.

Support, protection of soft tissue, mineral storage, and blood formation are functions of what system?

How is a person with a body mass index of 31.2 classified? underweight normal weight overweight obese?