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Chapter 14 Growth and Development

Name:
Date:
Across
When a cell divides and makes two new cells with exactly the same DNA as it had
Twins who develop in the same whom and do not have the same DNA
The scientific study of how traits are passed down from parents to their children
Fluid filled sac that contains and protects a developing baby in the womb
Stage of development from 8 weeks to birth
Refers to getting bigger
Stage of adolescent development where children grow taller and the differences between genders become more apparent
Down
Cell division where four new cells each get one chromosome from the original cell
Twins who have the same DNA and develop as two sets of cells that came from the same original cell
Refers to mental and physical changes
Smaller units of DNA
Stage of development from 2 weeks to 8 weeks
DNA passed down from parents to their offspring
Reproductive cells. These cells have half the number of chromosomes that normal cells have
The place where life begins and develops until birth