1. Mitosis/Meiosis How are they different?

2. This type of cell division used by bacteria to reproduce
The exchange of DNA between the chromatid arms on homologous pairs is called ________________
Crossing over
This type of cell division
used by bacteria to reproduce
Binary fission

3. Independent assortment
The mixing up of maternal and paternal chromosomes as they move apart during anaphase I is called ______________
Independent assortment
The pairing up of homologous chromosomes during prophase I
is called _________________
synapsis

4. During which phase does this happen?
This diagram is
showing
_________________
Crossing over
During which phase does this happen?
PROPHASE I of meiosis

5. Is it MITOSIS or MEIOSIS?
Makes 2 daughter cells ______________
Makes haploid cells _______________
Divides twice but copies DNA once __________________
Used to repair injuries ______________
mitosis
meiosis
meiosis
mitosis

6. Is it MITOSIS or MEIOSIS?
Makes 4 daughter cells ______________
Makes diploid cells _______________
Copies DNA every __________________
time it divides
Used to make gametes ______________
Meiosis
mitosis
mitosis
meiosis

7. Is it MITOSIS or MEIOSIS?
Makes 2n cells ______________
Crossing over happens _______________
Used when organisms __________________
grow bigger
Used in sexual reproduction ___________
mitosis
meiosis
mitosis
meiosis

8. Is it MITOSIS or MEIOSIS?
Testes and ovaries do it ____________
Body cells do it _______________
Crossing over happens ____________
Divides twice ______________
in a row
meiosis
mitosis
meiosis
meiosis

9. Is it MITOSIS or MEIOSIS?
Independent assortment_____________
happens
Divides just once_______________
Used in oogenesis __________________
Makes cells identical
to parent cell __________________
meiosis
mitosis
meiosis
mitosis

10. Is it MITOSIS or MEIOSIS?
Makes 2 daughter cells ______________
Makes haploid cells _______________
Divides twice but copies DNA once __________________
Used to repair injuries ______________
mitosis
meiosis
meiosis
mitosis

11. Type of cell division shown
meiosis
Body organ where you would expect to
see the above happen
Ovary or testes

12. Type of cell division shown
mitosis
Tell one reason why a cell would
do this
Grow organism bigger
Repair injuries
Replace worn out cells

13. The small cells produced when the cytoplasm divides unevenly during oogenesis are called ______________
Producing offspring without using sperm or eggs in which the DNA comes from only 1 parent
Polar bodies
Asexual reproduction

14. The production of mature sperm is called ___________________
TRUE or FALSE
Polar bodies will go on to become mature eggs
FALSE; they will die
The production of mature sperm is
called ___________________
spermatogenesis

15. A cell with only one copy of each chromosome is called ___________
Type of reproduction in which offspring are produced by combining the genetic material from 2 parents
A cell with only one copy of each chromosome is called ___________
Sexual reproduction
Haploid OR 1n

16. A cell which has 2 copies of every chromosome is called _____________
diploid OR 2n
Type of division that makes daughter cells which are different from the parent cell and different from each other
meiosis

17. The production of a mature egg is called ____________________
oogenesis
Phase in which INDEPENDENT ASSORTMENT happens
Anaphase I

18. Crossing over OR independent assortment
Name 2 ways the DNA in cells gets recombined in new ways during meiosis
Crossing over OR independent assortment
Phase during which SYNAPSIS happens
Prophase I

19. Spermatogenesis produces ____ mature sperm cells 4
Phase in which CROSSING OVER happens
Prophase I

20. How many mature eggs are produced during oogenesis?
Only 1; the other 3 are polar bodies
Tell one phase that is different in meiosis than in mitosis
Prophase I- Synapsis & crossing over
Anaphase I- independent assortment Metaphase I- pairs line up together Interphase II- No DNA is copied