Examine the graph below, which shows the distribution of the magnitude of gene effects for the different genes contributing to a complex trait. Which of the following statements accurately describes what the graph shows?
A. Most often, a single gene with a small
effect has a large effect on a complex trait.
B. Most genes that affect a complex trait have
relatively large effects.
C. Most often, multiple genes with large
effects are the sole contributors to complex
traits.
D. It is easier to identify genes for a complex
trait if you examine many genes with a lower
magnitude of effect.
E. Most genes that affect a complex trait have
relatively small effects.
E
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Answer the following statements true (T) or false (F)
1. There are no parasitic crustaceans. 2. Each arm of the starfish differs internally, one being specialized for reproduction, another for respiration, a third for digestion, a fourth for the water vascular system, and the fifth for the nervous and circulatory systems. 3. Autotomy is the ability of an animal to lose a body part and subsequently regenerate it. 4. Echinoderms have an exoskeleton.
Of the 64 triplet combinations in the genetic code, ____________________ code(s) for amino acids and ____________________ code(s) for the signal that ends protein synthesis
Fill in the blank(s) with correct word
The primary reason certain plants grow well as houseplants is because they may be adapted to:
A. dry growing conditions B. areas that normally lack direct sunlight C. areas that get very little mineral content in the soils D. growing short branches E. lack of temperature changes
Does either of the insulin chains contain beta sheets?
a. yes b. no