A cell has a diploid chromosome number of 2n = 4. We will designate these four as chromosomes A, B, C and D. If meiosis occurred WITHOUT the formation of homologous pairs, and the chromosomes were distributed randomly among the resulting cells, how many gametes could be formed?

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

What does the positioning of transcription factors determine?