What is the mechanism for the production of recombinant chromosomes?

The maintenance of a relatively stable internal environment is referred to as

  A. Name the phase of Mitosis.   B. Plant or Animal?

A Barr body is normally found in the nucleus of which kind of human cell?

Which term describes centrioles beginning to move apart in animal cells?

Imagine looking through a microscope at a squashed onion root tip. The chromosomes of many of the cells are plainly visible.  In some cells, replicated chromosomes are aligned along the center (equator) of the cell.  These particular cells are in which stage of mitosis?

For the following questions, match the key event of meiosis with the stages listed below. I. Prophase I V. Prophase II II. Metaphase I VI. Metaphase II III. Anaphase I VII. Anaphase II IV. Telophase I VIII. Telophase II Tetrads of chromosomes are formed; crossing over at the chiasmata occurs between sister chromatids.

A patient has had a serious accident and lost a lot of blood.  In an attempt to replenish body fluids, distilled water, equal to the volume of blood lost, is transferred directly into one of his veins.  What will be the most probable result of this transfusion?

Red-green color blindness is a sex-linked recessive trait in humans.  Two people with normal color vision have a color-blind son. What are the genotypes of the parents?

Synapsis of homologous chromosomes and crossing over occurs during