When someone carries a gene but does not express the trait this person is called a?

In a diploid individual, one chromosome carries A and B genes, and the homologous chromosome carries different forms (alleles) of these same genes, a and b.

What is the importance of the carbon and nitrogen cycles to ecosystems?

1) The genetic material is duplicated 2) Chromosomes move to opposite ends of the cell 3) Chromosomes become visible; the spindle apparatus forms 4) The cell plate forms;

DNA contains all the genetic information within an organism. DNA translates nitrogenous bases into proteins. DNA contains many chromosomes that are passed from parent to offspring during reproduction.

What did Gregor Mendel discover about heredity?

What body system contains hemoglobin

A distinguishing characteristic that can be inherited is what

The forming and breaking of bonds in a chemical reaction always involves changes in energy what are the 2 options of what happens to that energy?

Demographic transition is the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system. A demographic transition involves four stages.

Why does the oxygen atom in a water molecule have a negtive change