In Mendel's day, "particulate" inheritance would have made less sense to people than blending inheritance. Why?
What will be an ideal response?
At the time Mendel performed his experiments, it was unusual to focus on specific traits. If one looks at an entire organism, it is easy to see how offspring could appear to have been produced by blending the traits of each parent, which was the standard assumption among Mendel's contemporaries. Mendel's insight came from focusing on the inheritance of specific traits, leading him to uncover patterns of mathematical regularity in their occurrence in his controlled breeding experiments.
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Microbial degradation of hydrocarbons cannot take place using ________ as the electron acceptor.
A. nitrate B. carbon dioxide C. sulfate D. oxygen
The failure of chromosomes to separate during mitosis or meiosis is called
a. genetic displacement. b. trisomy. c. crossing over. d. nondisjunction. e. disjunction.
Embryonic stem cells derived from blastocysts are called pluripotent because they ________
A. are viable under a wide range of laboratory conditions B. can form most cells, tissues, and organs of the human body C. can form all cells, tissues, and organs of the human body D. are viable under a wide range of laboratory conditions and can form most cells, tissues, and organs of the human body E. are viable under a wide range of laboratory conditions and can form all cells, tissues, and organs of the human body
After being produced in the testes, sperm mature further in a structure called the
A) vas deferens. B) epididymis. C) prostate. D) seminal vesicle.