PSYC 2301 CH. 8 HUMAN DEVELOPMENT || A+
VERIFIED SOLUTIONS.
Development psychology correct answers field of psychology that examines physical, cognitive,
and socioemotional changes across the life span
Maturation correct answers Physical growth, beginning with conception, and ending when the
body stops growing
Critical period correct answers Specific time frame, in which an organism is sensitive to
environmental factors, and certain behaviors, & abilities are readily shaped or altered by events
or experiences
Nature correct answers Hereditary
Impulsive correct answers To act before thinking
Nurture correct answers Environmental
Nature and nurture correct answers Both have significant weight in development
Cross-sectional method correct answers Research that examines people of different ages, at a
single point in time
Longitudinal method correct answers Examines the same sample of people, over a period of
time, to determine age-related changes. Single group, different points in time.
Cross- Sequential method correct answers Examines groups of people, of different ages,
following them across time. Different ages, different points in time
Research that can be completed fairly quickly, and allows comparison between age groups.
Although is susceptible to cohort effect correct answers Cross-sectional research
Benefits in tracking age-related changes, but measured changes could be specific to the particular
group of participants correct answers Longitudinal method
Better addresses cohort effect, shows changes within individuals and groups, but requires
substantial resources, and many participants. Takes a long time, and some participants drop out
before completing the study. correct answers Cross- Sequential method
Chromosomes correct answers Inherited. thread like structure. composed of: DNA
DNA correct answers Deoxyribonucleic acid. Molecule that provides the instructions for the
development and, production of cells
, Gene correct answers Specified segment of DNA molecule
Genotype correct answers An individual's complete collection of genes
Humans are made up of ____ pairs of chromosomes. correct answers 23 pairs, both sperm, and
egg contain 23.
23rd pair of chromosomes correct answers Determines the sex
Phenotype correct answers Observable characteristics of an individual
Epigenetics correct answers Examines the development of phenotypes
Dominant gene correct answers Gene that has more power over another
Recessive gene correct answers Subordinate to dominant gene. gene that is unable to overcome,
when a dominant gene is present
Conception correct answers When ovum and sperm come together
Zygote correct answers Single cell formed by successful conception
Monozygotic twins correct answers Develop from one egg. fertilized by one sperm, and splits to
form separate zygotes. Identical twins.
Dizygotic twins correct answers Develop from two eggs, fertilized by two different sperm, and
form two different zygote. Fraternal twins
Embryo correct answers Between 3 to 8 weeks of pregnancy
Germinal period correct answers Time frame, from conception, to the end of the second week of
pregnancy
Embryonic period correct answers Time frame in which cells differentiate, and the major organs,
and systems start to form
Teratogens correct answers Agents, or substances that can damage a zygote, embryo, or fetus
Fetal alcohol syndrome correct answers Also known as FAS. Occurs from moderate to heavy
alcohol use during pregnancy. delays in normal development. has a smaller head, lower
intelligence, and distinct facial deformities such as: wide open eyes, or flatter nose.
Examples of teratogens correct answers Alcohol, caffeine, illegal substances, lithium, mercury,
nicotine, and radiation exposure
