In Guinea pigs, short hair (S) is dominant over long hair (s), rough coat (R) is dominant over smooth coat (r), and black hair (B) is dominant over white hair (b)
List all the different possible gametes that can be produced by each of the individuals below. a. SSRRbb b. ssRrBB c. SsRrbb d. SsRrBb
a. SSRRbb: SRb
b. ssRrBB: sRB, srB
c. SsRrbb: SRb, Srb, sRb, srb
d. SsRrBb: SRB, SRb, SrB, Srb, sRB, sRb, srB, srb
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What products of nonstructural genes are never translated?
A. messenger RNA B. transfer RNA C. ribosomal RNA and messenger RNA D. ribosomal RNA E. transfer RNA and ribosomal RNA
_________ is a nutritive tissue composed of triploid cells in the seeds of flowering plants.
A. Phloem B. Sepal C. Microspore D. Megaspore E. Endosperm
Which of the following statements regarding the concept of homology is INCORRECT?
a) Homology is an all-or-none relationship. b) Homology is the presence of a similar feature because of convergence. c) Homology can not be observed because we can not actually see the ancestral organism or molecules and trace its descent. d) Sequences that are highly similar are unlikely to arise by chance. e) Homology is always an inference, a conclusion we draw based on observed similarity.
Phosphofructokinase is stimulated by high levels of ATP
__________________ Indicate whether the statement is true or false.