The definition of a multifactorial trait is one in which more than one set of alleles is involved, in which the environment plays no role.
Answer the following statement true (T) or false (F)
False
A multifactorial trait is a polygenic trait that is also influenced by the environment.
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Synthesis of a protein destined to function in the nucleus occurs:
A. in the cytosol. B. on the rough endoplasmic reticulum. C. on the outer leaf of the nuclear envelope. D. in the Golgi apparatus.
Stress hormones have been shown to interact with drugs of abuse in that
a. stressors enhance the responses of rodents to psychostimulants like amphetamine. b. humans may relapse to drug use behaviors when under stress. c. they may alter the responsiveness of brain dopamine systems. d. All of the above
Compare and contrast clonal deletion and clonal selection of B lymphocytes
What will be an ideal response?
When club fungi reproduce sexually, which of the following occurs?
A) Two mushroom caps from different fungi exchange genes. B) Two spores merge into a seed that produces hyphae. C) Sperm and egg cells fuse. D) Nuclei from two different fungi fuse.