Which X-linked trait is caused by a dominant mutant allele?
a. hemophilia A
b. Duchenne muscular dystrophy
c. red-green color blindness
d. amelogenesis imperfecta
e. testicular feminizing syndrome
ANSWER: d
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Which set contains the most closely related terms?
A) megasporangium, megaspore, pollen, ovule B) microsporangium, microspore, egg, ovary C) megasporangium, megaspore, egg, ovule D) microsporangium, microspore, carpel, ovary
Greenhouse gases contribute to global warming by absorbing UV radiation
___________________ Indicate whether the statement is true or false.
Fossil fuels are the major reservoir in the phosphorus cycle
Indicate whether the statement is true or false
Please choose the answer that best fills in the blanks of this sentence in the correct order. A molecular fragment of an antigen that serves as the primary signal that the molecule is foreign is called a(n) ______, whereas a small foreign molecule that can only elicit an immune response when linked to another larger molecule is called a(n) ________.
A) Allergen; hapten B) Epitope; immunoglobulin C) Epitope; hapten D) Hapten; epitope