What was the conclusion from Mendel's two factor crosses?
A. Genes randomly assort into the gametes
B. Alleles for one gene randomly assort into the gametes
C. The ratio of the phenotypes of the progeny depends on the phenotype of the male parent
D. The ratio of the phenotypes of the progeny depends on the phenotype of the female parent
A
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The original impetus to sequence the human genome was to investigate
A) how the four nitrogenous bases encode information. B) how people vary. C) how cancer arises. D) the effects of exposure to low-level radiation on the genetics of populations.
Gene technology has made it possible for bacteria to express human genes. Why is this possible?
Which of the following is a native protein isolated from bacteria and used to soften cotton fibers in jeans and other clothes?
A) Cellulase B) Amylase C) Chymosin D) Penicillin E) Polymerase
Karyogamy and meiosis take place in elongated, saclike cells in which of the following groups of fungi?
A. ascomycetes B. basidiomycetes C. chytrids D. glomeromycetes E. zygomycetes