Chapter 8 - Development Flashcards
(152 cards)
What involves the physical, cognitive, social, emotional and psychological changes that we go through?
Development
Which psychologists study the normal (and abnormal) changes that we go through?
Developmental psychologists
What factors do developmental psychologists take into account?
Genetics (nature) and social interactions (nurture)
What is the study of age-related changes in behavior and mental processes from conception to death?
Developmental psychology
What is the type of study in which researchers compare groups of individuals of different ages with respect to certain characteristics to determine age-related differences?
Cross-sectional study
What are problems associated with cross-sectional studies?
May not represent the general population and can’t predict or generalize accurately to the population
What is a developmental study in which the same group of individuals is followed and measured at different times or different ages?
Longitudinal study
Which type of developmental study has an excellent ability to generalize to a population?
Longitudinal study
What is the biological blueprint that determines and directs the transmission of all hereditary traits?
Genes
What is the most basic building blocks of heredity?
Genes
What is a gene that is expressed in the individual?
Dominant gene
What is a gene that will not be expressed if paired with a dominant gene, but will be expressed if paired with another recessive gene?
Recessive
What are the rod-shaped structures found in the nuclei of body cells, containing all the genes and carrying all hereditary information?
Chromosomes
How many pairs of chromosomes do we have?
23 pairs
What are our 23 pairs of chromosomes, 46 in all, known as?
Twin Helix
How many single chromosomes are contained in the egg and sperm?
23
How many pairs of chromosomes are responsible for physical and mental traits?
22
How many pairs of chromosomes are responsible for our sex traits?
1
What is a fertilized ovum (egg cell) that travels to the uterus and attaches to the uterine wall?
Zygote
Where does fertilization take place?
Fallopian tubes
What are the 3 stages of prenatal development?
1) Germinal stage
2) embryonic stage
3) fetal stage
What stage of prenatal development happens from conception to implantation, approximately 2 weeks in length?
Germinal stage
What is known as the developmental period from conception until birth, 38 weeks before birth?
Prenatal
What is the stage from implantation until about 8th week of development?
Embryonic stage