All of the following are involved in type II hypersensitivity except ________.
A. foreign cells
B. IgM
C. complement
D. IgE
E. IgG
Answer: D
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In horses, there are four alleles at the A locus. Arranged in dominance sequence they are:A
(wild), ab (bay), ac (brown), ad (black) If you bred several bay mares whose sires were brown to a brown stallion whose sire was black, what are the genotypes of the parents; what type of offspring would be produced; and in what proportion? What will be an ideal response?
One type of asexual reproduction in liverworts involves:a
setae. b. gemmae. c. fronds. d. archegonia. e. prothalli.
If independent assortment did not occur, which of the following would be true?
A) Genes for two different traits would be inherited together as a pair. B) Meiosis II would not be required to produce gametes, as meiosis I would be sufficient. C) A dihybrid cross of heterozygous individuals would yield four different phenotypes. D) Each sperm and egg would carry more than one allele for a specific gene.
The combination of DNA from two or more sources is called:
A) RNA. B) 2-DNA. C) biotechnology. D) human growth hormone. E) recombinant DNA.