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Name ______________________
Date ___________
Meiosis also known as_______________________
Sex cells
•Are different from regular cells b/c they have ______________________________________
Sexual reproduction
•When a new organism is formed when _________________________________________
•Organisms that reproduce in this way have special SEX CELLS (______________________)
The sex cells are called ____________________
Female ____________ is an ___________
Male gamete is _________________.
What makes these cells special???
•___________________________________________________________________
Meiosis the basics
•The process of ______________ division that produces sex cells
•There is Meiosis I and Meiosis II.
•In the end, there are ______________________________(not 2 like mitosis) each with half the # of
chromosomes
COPY DIAGRAM (on the back of this sheet)
Meiosis video-watch
Fertilization
•Is the joining of _____________________________________
•is the fusion of ____________________to produce a new organism
More definitions
•Zygote
When sex cells join, this is what it is called
•Zygotes are ______________ while gametes are ________________
Fertilization …….. again
•The union of male and female ________________ to form a zygote,
•The cell resulting from the fusion is called a zygote
•The resulting cell is ___________________ (has 2 sets of chromosomes)
What do we call these new cells?
Cells could be referred to as either:
•______________ = the normal # of chromosomes in a cell
•_____________ = half the # of chromosomes as the original cell
Fruit fly
Horses
Cat
Pea Plant
Haploid
4
30
___
7
Diploid
8
60
38
___