If a gene is expressed regardless of the gene it is paired with, it is said to be ______.
A. recessive
B. dominant
C. an allele
D. a zygote
Answer: B
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What two relationship problems have researchers found that are associated with various mental disorders?
a. lying and cheating b. conflict and anger c. insecurity and lack of self-confidence d. jealousy and anger
Exposure to what type of trauma as an adult puts an individual at greater risk of developing Alzheimer's disease?
a. exposure to lead b. being knocked unconscious c. exposure to radioactivity d. losing consciousness due to carbon monoxide
A cut made with surgical scissors to avoid tearing of the perineum at the end of the second stage of labor is referred to as ____
a. episiotomy c. engagement b. sampling d. effacement
According to the World Health Organization, it is estimated that ____ of children in developing countries lack sufficient food or essential nutrients
a. 40% b. 60% c. 80% d. 100%