Meiosis Notes
Two Types of Reproduction
Sexual Reproduction:
· Reproductive process in which ____________ fuse to form a ____________.
· Provides ____________ ____________.
Gamete:__________________________________________________________________________________
Gametes:
Plants
Animals
Male
Female
Zygote:___________________________________________________________________________________
Asexual Reproduction
· Any ____________ process that does not involve the ____________ of gametes. Ex. ____________,
____________, etc.
· Genetic variation is ____________ achieved.
· Offspring is an _____________________ genetic duplicate
Mitosis/Meiosis – What’s the difference?
·
Cells that divide by mitosis have ____________ the same ____________ and ____________ of
chromosomes as the original cells. Example:
·
Meiosis produces gametes that have ____________ the number of ____________ as a ____________
body cell. Example:
Sexual Reproduction Involves Meiosis
Diploid versus Haploid
· ____________ cells have ____________ of each kind of chromosome. ____________
· ____________ cells have only ____________ of each kind of chromosome. ____________
Number of Chromosomes in Common Organisms
Organism
Body Cell (2n)
Gamete (n)
Organism
Fruit Fly
Human
Garden Pea
Chimpanzee
Corn
Dog
Leopard Frog
Adder’s
Tongue Fern
Apple
The Process of Meiosis
Body Cell (2n)
Gamete (n)
Meiosis is divided into two phases: ____________ and ____________
Meiosis I
Interphase
Meiosis II
Prophase II
Prophase I
Metaphase II
Metaphase I
Anaphase II
Anaphase I
Telophase II
Telophase I
Meiosis Provides for Genetic Variation
Meiosis provides a mechanism for ____________ the ____________ information found on chromosomes.
The number of different kinds of egg or sperm a person can produce is more than ____________
When ____________ occurs, ____________ different zygotes (babies) are possible!
This process is called ____________ ____________.
Name_________________________________________ Period___________
Meiosis Vocabulary
Term
Definition
Diploid
Haploid
Homologous
Chromosomes
Sperm
Egg
Zygote
Sexual
Reproduction
Asexual
Reproduction
Crossing Over
Genetic
Recombination
Vocab Relating to Meiosis
Meiosis