If a trait is X-linked recessive, who would express the trait?
A) females homozygous for the dominant allele and males hemizygous for the recessive allele
B) heterozygous females and males hemizygous for the dominant allele
C) females homozygous for the recessive allele and males hemizygous for the recessive allele
D) females homozygous for the recessive allele and males hemizygous for the dominant allele
E) the same proportions of females and males
C
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When an organism possesses both male and female reproductive systems, this is termed
a. organogenesis. b. parthenogenesis. c. hermaphroditism. d. budding.
Although Sulfolobus solfataricus grows at pH 2 to 4, it maintains a cytoplasmic pH of about 2, thereby generating a large pH gradient across the plasma membrane.
Answer the following statement true (T) or false (F)
Which of the following is not normally considered a pathogenic species of Clostridium?
A. C. tetani B. C. botulinum C. C. perfringens D. C. acetobutylicum
Collecting data without a specific hypothesis in mind is called
A. hypothesis testing. B. reductionism. C. discovery-based science. D. theoretical. E. All of the choices are correct.