Portage Learning PSYC 140 (PSYC140) Developmental Lifespan Psychology Module 1 Exam Latest 2024 Longitudinal Study - ANSWER studies a person or group of people over an extended period of time Cross-sectional Study - ANSWER compares individuals of various ages at one point in time Genome - ANSWER the set of complete instructions for making an organism Chromosome - ANSWER the genetic master code for the body. It is made up of DNA DNA - ANSWER a complex molecule containing the genetic information that makes up the chromosomes 1 / 2
Identical Twins - ANSWER twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms Fraternal Twins - ANSWER twins who develop from separate fertilized eggs. They are genetically no closer than brothers or sisters, but they share a fetal environment Prenatal Period - ANSWER the period of pregnancy that begins with conception and ends 9 months later with birth Conception - ANSWER the fertilization of the egg Zygote - ANSWER the fertilized egg Differentiation - ANSWER cells choosing their specialization, such as a stomach or a brain cell Embryo - ANSWER the developing human organism from 2 - 8 weeks (2nd month). At this time organs begin to form and function (the heart beats, liver produces red cells, etc.), the umbilical cord forms, and arms and legs are beginning to form
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