Which of the Studies Below Provide Evidence Linking Genes and Behavior

question 60

Multiple Choice

Which of the studies below provide evidence linking genes and behavior? (Check all that apply)

• A)Fruit flies that are mutant for the genes dunce or rutabaga have impaired learning.
• B)Mice that are lacking either the ephrinB3 or the EphA4 gene cannot walk normally,but instead hop like a kangaroo.
• C)Two lines of fruit flies were created by repeatedly selecting for high or low aggressive behavior.After multiple generations,the high line was reliably more aggressive than the low line.
• D)Twin studies comparing monozygotic and dizygotic twins have found a high heritability for height,although environmental influences like nutrition also play a role.

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Definitions:

Demand Deposits

Bank accounts from which deposited funds can be withdrawn at any time without any notice to the institution, typically through writing checks.

Excess Reserves

The reserves held by banks in excess of what is required by regulations, which can be loaned out to generate additional income.

Required Reserves

The portion of depositors' balances that banks must have on hand as cash or as deposits with the central bank, mandated by the regulatory body.

Total Reserves

The sum of a bank's deposits at the central bank and the cash in its vault available for immediate withdrawal.