In 1785, the theory of uniformitarianism was proposed by
A. James Hutton.
B. Georges-Louis Buffon.
C. Charles Darwin.
D. Georges Cuvier.
E. Charles Lyell.
A. James Hutton.
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Destiny has distal symphalangism - her fingers and toes are stiff, with tiny nails. She looks it up and finds it is an autosomal dominant trait. Since her parents do not have it, she reasons that she has a new mutation. However, if she has children, each of them, assuming her partner does not have the condition, has a(n) ________ probability of inheriting the condition.
A) 1/8 B) 1/4 C) 1/2 D) 0
If a bicep was cut so that it no longer attached to bone, why would this limit motion of the upper arm?
A. The biceps and triceps antagonize one another in the motion of the arm; cutting removes one antagonist. B. The bicep is where the arm connects to all relevant nerve cells. C. The bicep is the main muscle for moving the arm. D. The other arm muscles all connect to the bicep and would also become detached as a result. E. None of the answer choices is correct.
A student notes that an individual has attached earlobes, a recessive trait in humans. A cell is taken from this individual, and the alleles for the trait are isolated. What is the probability that one of the alleles was inherited from the individual's mother?
A. 0% B. 50% C. 75% D. 100%
Gametophytes are diploid; sporophytes are haploid.
a. true b. false