In what phase of meiosis are tetrads separated as homologous chromosomes are pulled to opposite poles of the cell?
a. metaphase i
b. metaphase ii
c. anaphase i
d. anaphase ii

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?