Which statement concerning reproduction is FALSE?
(a). Hereditary information is passed on to the next generation.
(b). Hereditary information is in the form of genes.
(c). The offspring of asexual organisms have the same genes as the single parent.
(d). The offspring of sexual organisms have roughly one half of the genes from each parent.
(e). The offspring of multicellular organisms tend to be identical to the parent.
(e). The offspring of multicellular organisms tend to be identical to the parent.
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The Army’s solution to the contamination problem at
its Aberdeen Proving Grounds is an example of a. phytoremediation. b. land reclamation. c. chemical recycling. d. soil reconstruction. e. pollutant transformation.
In a certain breed of chicken, an incompletely dominant gene controls color. The homozygous black (BB), when crossed with the homozygous splashed-white (bb), produces an intermediate gray color pattern referred to as blue. A second gene controls the shape of the comb. The dominant allele (R) produces rose, whereas the recessive allele (r) produces single. A cross between a true-breeding black with a single comb and a true-breeding splashed-white with a rose comb will produce a total of _______ different phenotypes in the F2 generation.
Fill in the blank(s) with the appropriate word(s).
Traditional and molecular phylogenies disagree on which one of the following issues?
A. whether or not the Eumetazoa are monophyletic. B. whether the Bilateria and Radiata split early into separate monophyletic clades. C. whether the split between Parazoa and Eumetazoa occurred at a very early stage in animal evolution. D. whether Echinodermata and Chordata are both deuterostomes. E. whether the appearance and type of coelom is important in interpreting phylogeny.
X-ray diffraction images produced by ____ were used by Watson and Crick to infer the structure of DNA
a. Wilkins b. Griffith c. Franklin d. Hershey e. Watson and Wilkins