A control group has all of the conditions identical to the experimental group except that it _______.

Polydactylism is a dominant trait that results in extra fingers and toes in humans. A normal number of digits (10 per hand and foot) is a recessive trait. A polydactyl man marries a woman with 10 fingers and toes. They have a child that has a normal number of digits. What are the genotypes of the married couple?

_______ is a process of nuclear division in which the number of chromosomes is halved during gamete formation.

We see the emergence of true roots and true leaves (macrophylls) in which group of plants.

Nearly all mushrooms are made up of this group of fungi.

Let P = purple flowers and p = white, and T = tall plants and t = short plants. Of the 16 possible gamete combinations in the dihybrid cross (PpTt x PpTt), how many would be the phenotype white, tall?

What is the advantage of the the origin of the nucleus according to the leading hypothesis?

Mendel conducted a controlled cross between pure lines purple flowered pea plants and pure line white flowered pea plants. All of the resulting hybrids from this cross developed purple flowers. Which of Mendel’s Principles does this illustrate? 

Cells are so small because they need a large surface area to volume ratio to allow for efficient exchange of materials into and out of the cell.

There are 20 different amino acids that create all the proteins of all the life on Earth. What component of each amino acid makes it unique from all the other amino acids?