Pseudohypertrophic muscular dystrophy is a human disorder that causes gradual deterioration of the muscles. Only boys are affected, and they are always born to phenotypically normal parents
Due to the severity of the disease, the boys die in their teens. Is this disorder likely to be caused by a dominant or recessive allele? Is its inheritance sex-linked or autosomal? A) dominant, sex-linked
B) recessive, autosomal
C) recessive, sex-linked
D) incomplete dominant, sex-linked
C
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Which statement is TRUE of the behavior of
chromosomes in mitosis? a. Each new cell receives half of the number of chromosomes in the original cell. b. Each new cell receives copies of all the original chromosomes. c. If the original number of chromosomes was 46, each new cell will have 23. d. The sister chromosomes are not identical due to breakages in the DNA. e. All chromosomes are duplicated except the sex chromosomes.
5'-ATAGGGCTT-3' is a short sequence of a strand of DNA. What will be the complementary sequence of the other strand? What will be the complementary mRNA sequence derived from the second strand of DNA? Be sure to indicate the 5' or 3' ends of each sequence
What will be an ideal response?
A serum titer involves
A. determining the highest dilution of serum that produces a visible reaction. B. the Western blot method. C. quantifying the number of infectious particles in a specimen. D. determining the lowest dilution of serum that produces a visible reaction.
Why do most individuals have more than one episode of the common cold in a season?
What will be an ideal response?