In Diamond's (1985) Study of Object Permanence, Infants as Young

question 9

Multiple Choice

In Diamond's (1985) study of object permanence, infants as young as seven and a half months were able to solve the problem if:

• A) the object was hidden in a consistent place
• B) their mother was present during testing
• C) they were allowed to immediately search for the object
• D) the object was only partially obscured

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Definitions:

Sex-Linked Recessive Trait

A genetic trait located on the sex chromosomes that is expressed in individuals with two copies of the allele, often manifesting more frequently in males.

Hemophiliac Male

A male individual with hemophilia, a genetic disorder that impairs the blood's ability to clot, leading to prolonged bleeding from minor injuries.

Nondisjunction

An error in cell division that results in daughter cells with abnormal numbers of chromosomes.

Zygote Combinations

Describes the various genetic outcomes possible when gametes merge during fertilization to form a zygote.