According to our present understanding, each of the three major domains has what is known as its own universal ancestor
Indicate whether the statement is true or false.
Answer: FALSE
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The locus B on the X chromosome of a malaria-carrying mosquito shows a 49% recombination rate with respect to the locus M
Since a recombination rate of 50% is essentially indistinguishable from independent assortment, you might be tempted to look for a locus that falls between B and M. Before you decide to do all that work, you run a chi square test to determine the P value of your experiment. Which of the following P values would be most likely to tell you that you should accept the conclusion that locus B and locus M are, indeed, 49mu apart and that another locus is not necessary? A. P = 0.45 B. P = 0.07 C. P = 0.05 D. P = 0.0007
Agarose gel electrophoresis separates DNA molecules according to their ____
a. charge b. length c. sequence d. percentage of GC base pairs e. structure
Which radical idea did Cuvier propose based on his studies of Earth’s history?
a. extinction of species b. evolution of species c. Earth as billions of years old d. an unchanging Earth e. static species composition
The accommodation of the very long DNA strands that are part of a chromosome into the limited space of the nucleus is achieved by coiling the DNA around beads of histones into repeating subunits. These DNA-wrapped histones are called
A. chromatin loops B. rosettes C. nucleosomes D. solenoids