The Best Crossword Puzzle Maker Online
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Chapter 8 Part 1 General Psychology

Across
When an egg and sperm unite
This human development research design assesses different age groups at the same time
Period of prenatal development where there is a massive amount of physical growth
This type of gene is more active and usually expresses itself
Scientific study of the changes that occur in people as they age (needs space)
Special molecule that contains all of our genetic information
Twins that develop from separate eggs and sperm
Period of prenatal development that is very vulnerable to teratogens
Twins that develop when a fertilized egg splits
This is the influence of our heredity
Down
Science of our heredity
This type of human development research combines longitudinal and cross-sectional
Period of prenatal development that is the first two weeks
A substance that can cause harm to an unborn baby
Type of genetic disorder where there is extra chromosome in the 21st pair (needs space)
Humans have a total of 46 of these
This is the influence of our environment
This type of gene only expresses itself if paired with another less active gene
When doing research in human development, this design follows one group for a long period of time
Single cell that results from fertilization
Section of DNA