Asked by Rachel Odell on Jul 24, 2024
Verified
Unlike ________ twins,who develop from a single fertilized egg,________ twins develop from separate fertilized eggs.
A) fraternal; identical
B) identical; fraternal
C) placental; nonplacental
D) nonplacental; placental
Identical Twins
Twins that develop from a single fertilized egg, sharing the same genetic material.
Fraternal Twins
Twins that develop from two different eggs fertilized by two different sperm, making them genetically similar as typical siblings rather than identical.
Fertilized Egg
The cell that results from the union of an egg and a sperm, marking the beginning of a new organism's development.
- Understand the basic concepts of twin studies and their implications for genetic and environmental influences on behavior.
Verified Answer
Learning Objectives
- Understand the basic concepts of twin studies and their implications for genetic and environmental influences on behavior.
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