A Study of Infants' Hearing Suggests That Infants Identify New

question 15

Multiple Choice

A study of infants' hearing suggests that infants identify new speech sounds from those they have heard before

• A)as early as 3 days after birth.
• B)at about 2 weeks after birth.
• C)at about 4 weeks after birth.
• D)as early as 10 days after birth.

---

Definitions:

Chromosomes

Structures within cells that contain DNA and carry genetic information important for the development, functioning, and reproduction of living organisms.

Fertilization

The union of the ovum and sperm.

Recessive

Pertaining to a gene that is expressed in the phenotype only when its allele is identical, needing two copies (one from each parent) to exhibit the trait.

Dominant

Referring to a trait, gene, or characteristic that supersedes another in genetic expression when both are present.