Bellringer- Monday 4/29/13 1. What type of cells are produced during Meiosis? 2. How many cells does...
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Transcript of Bellringer- Monday 4/29/13 1. What type of cells are produced during Meiosis? 2. How many cells does...
Bellringer- Monday 4/29/131. What type of cells are produced during
Meiosis?2. How many cells does Meiosis start
with?3. How many cells does Meiosis end with?4. During Prophase I, what significant
event occurs between homologous chromosomes?
MEIOSIS REVIEW
QUESTION #1
• How many chromosomes do humans have in their BODY CELLS?
ANSWER
46
QUESTION #2
• How do your chromosomes appear in your body cells?
(BE SPECIFIC!)ANSWER
IN PAIRS
QUESTION #3
•What is the specific name for the process of cell division in your body cells?
ANSWER
MITOSIS
QUESTION #4
•Where do your chromosomes come from?
(BE SPECIFIC!)ANSWER
MOM & DAD
QUESTION #5
• In the process of Meiosis how many cells do you start out with?
ANSWER
ONE
QUESTION #6
• If a diploid (body) cell in a buffalo has 60 chromosomes, how many chromosomes does its sex cells have?
ANSWER
30
QUESTION #7
•What type of cells are seen at letter D?
ANSWER
HAPLOID OR SEX CELLS
QUESTION #8
• During which phase of Meiosis I does crossing over between maternal and paternal chromosomes take place?
ANSWER
PROPHASE I
QUESTION #9
•What is the process of sperm coming into contact with an egg called?
ANSWER
FERTILIZATION
QUESTION #10
•What is another name for gametes?
ANSWER
SEX CELLS
QUESTION #11
• At the end of Meiosis, how many cells do you have?
ANSWER
4
QUESTION #12
• Human haploid (sex) cells contain 23 chromosomes. How many chromosomes do their diploid cells contain?
ANSWER
46
QUESTION #13
•What do homologous chromosomes have in common?
(BE SPECIFIC!)ANSWER
INFO FOR THE SAME TRAITS
QUESTION #14
•What is the name of this type of cell division?
ANSWER
MEIOSIS
QUESTION #15
•What are the 2 types of gametes?
ANSWER
SPERM & EGG
QUESTION #16
•What is the name of the diploid cell created when sperm fertilizes an egg?
ANSWER
ZYGOTE
QUESTION #17
•What important process happens during Prophase I, that makes Meiosis different from Mitosis?
ANSWER
Crossing Over
QUESTION #18
•Why is it important for sex cells to only have half of the chromosomes of body cells?
(BE SPECIFIC!)
ANSWER
VARATION/ ZYGOTE ONLY GETS 46 CHROMOSOMES TOTAL
QUESTION #19
•What are the phases of MEIOSIS IN ORDER!!!
ANSWERInterphase, Prophase I, Metaphase I, Anaphase I, Telophase I, Cytokinesis, Prophase II, Metaphase II, Anaphase
II, Telophase II, Cytokinesis
QUESTION #20
•What do genes determine?
ANSWER
SPECIFIC TRAITS
QUESTION #21
•What are the chromosome pairs seen in the image called?
ANSWER
HOMOLOGOUS CHROMOSOMES
QUESTION #22
• How many chromosomes are in the cells created during Meiosis?
ANSWER
23
QUESTION #23• Name 2 differences between
Mitosis and Meiosis?ANSWER
Body (diploid)/ Sex (haploid)2 cells/4 cells
46 chromosomes/ 23 chromosomesNo/ Yes Crossing over5 phases/10 phases
QUESTION #24
•What process does a Zygote go through to develop and grow?
ANSWER
MITOSIS
QUESTION #25
• How many cells does the process of Meiosis I end with?
ANSWER
2
QUESTION #26
• A human cell with 46 chromosomes is called or 2n
ANSWER
DIPLOID
QUESTION #27
• On homologous chromosomes, how are genes for specific traits arranged?
ANSWER
IN THE SAME ORDER
QUESTION #28
• A human cell with 23 chromosomes is called or n
ANSWER
HAPLOID
QUESTION #29
•When a sperm cell and egg cell meet, how many cells do they create?
ANSWER
ONE
QUESTION #30
• The process of Meiosis begins with cell(s) and ends with
cell(s) ?ANSWER
ONE, 4
QUESTION #31
• The process of Mitosis begins with cell(s) and ends with
cell(s) ?ANSWER
ONE, 2