For eukaryotic organisms, polyploidy is always a lethal condition
Indicate whether the statement is true or false
FALSE
Explanation: Polyploidy is lethal for most animal species, but is less consequential for plants, and in fact has played a significant role in the evolution of plant species.
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Cultured skin lacks which of the following?
a. melanocytes b. sweat glands c. oil glands d. other differentiated structures e. all of these
Which of the following develops into the male genital ducts?
A. Wolffian ducts B. epididymis C. Mullerian ducts D. cloaca E. urogenital groove
Which of the following is not true regarding the structure of RNA?
a. RNA contains the same four nucleotide bases as DNA. b. RNA contains ribose. c. RNA is single stranded. d. RNA in general is a helper to DNA. e. There are different types of RNA, each with a different function.
Consider a population in which two alleles segregate with the following frequencies: p = 0.7, q = 0.3. If no evolutionary forces act on this population, the frequencies of p will equal _______ and q will equal_______ after 30 generations
a. 0.3, 0.7 b. 0.5, 0.5 c. 0.75, 0.25 d. 1, 0 e. None of the above