How do we know that genes play a role in pubertal timing?

A. because researchers have identified a gene that triggers puberty and can track the timing
B. because identical twins experience menarche at about the same time, whereas fraternal twins can vary by a year or more
C. because there are no other consistent reasons for why puberty occurs
D. because siblings of all ages experience puberty at about the same age


Answer: B

Psychology

You might also like to view...

What is the difference between the central route to persuasion and the peripheral route? When are people more likely to follow the peripheral route?

What will be an ideal response?

Psychology

Describe the effects of three types of brain damage–achromatopsia, visual agnosia, and

prosopagnosia–on visual perception. Be sure to identify the brain regions that are associated with each effect. What will be an ideal response?

Psychology

Damage to which part of the brain would be most likely to result in an impaired ability to evaluate yourself, such as describing yourself using adjectives?

A. medial prefrontal cortex B. insula C. angular gyrus D. medial temporal area

Psychology

Where schemas are concerned, the perseverance effect is ________

A) schemas' resistance to change even in light of contradictory information B) one way that schemas shape our social reality C) the cause of self-fulfilling prophecies D) the persistence of memories because of schemas E) the difficulty associated with suppressing unwanted thoughts and images

Psychology