Changes to an organism's DNA can cause unexpected traits to be expressed in its offspring. DNA in an individual's gametes will most likely be altered before being passed to offspring if exposed to
A. x-rays
B. loud sounds
C. magnetic fields
D. extreme temperatures
Answer: A. x-rays
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Optical density and viable cell concentration are LEAST proportional to each other during
A) lag phase. B) exponential growth phase. C) stationary phase. D) death phase.
When an outgrowth forms on the tubular body of a hydra and eventually separates and grows into adulthood, this is an example of
a. budding. b. fission. c. organogenesis. d. parthenogenesis.
The founder effect and bottleneck effect are examples of ____________, an evolutionary mechanism by which the gene pool of a small population changes due to chance.
Fill in the blank(s) with the appropriate word(s).
Two genes on a Drosophila chromosome are 70 mu apart. How do you think this number was calculated, and what percentage of recombination would you expect to see between them experimentally?
What will be an ideal response?