A dihybrid test cross is made between genes J and M. Four categories of offspring are produced: JM, Jm, jM, and jm. You wish to use the X2 test to test the hypothesis that the J and M genes are unlinked. How many degrees of freedom would there be in this test?

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

How will you manage your time to accomplish the necessary tasks both on the job and at home?

Why zebra fish experience similar genetic disease as human