30 Seconds 10 Time’s Up! 3 Minutes 1 Minute 4 Minutes 1 2 5 2 Minutes Bellringer- Monday 4/29/13 1. 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? 30 Seconds 10 Time’s Up! 3 Minutes 1 Minute 4 Minutes 1 2 5 2 Minutes 8 9 7 6 4 3

MEIOSIS REVIEW

46 How many chromosomes do humans have in their BODY CELLS? ANSWER QUESTION #1 How many chromosomes do humans have in their BODY CELLS? ANSWER 46

IN PAIRS How do your chromosomes appear in your body cells? 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

MOM & DAD Where do your chromosomes come from? (BE SPECIFIC!) ANSWER QUESTION #4 Where do your chromosomes come from? (BE SPECIFIC!) ANSWER MOM & DAD

ONE In the process of Meiosis how many cells do you start out with? 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

HAPLOID OR SEX CELLS What type of cells are seen at letter D? ANSWER 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

4 At the end of Meiosis, how many cells do you have? ANSWER 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

INFO FOR THE SAME TRAITS QUESTION #13 What do homologous chromosomes have in common? (BE SPECIFIC!) ANSWER INFO FOR THE SAME TRAITS

MEIOSIS What is the name of this type of cell division? ANSWER 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

VARATION/ ZYGOTE ONLY GETS 46 CHROMOSOMES TOTAL 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

What are the phases of MEIOSIS IN ORDER!!! QUESTION #19 What are the phases of MEIOSIS IN ORDER!!! ANSWER Interphase, 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

HOMOLOGOUS CHROMOSOMES QUESTION #21 What are the chromosome pairs seen in the image called? ANSWER HOMOLOGOUS CHROMOSOMES

23 How many chromosomes are in the cells created during Meiosis? QUESTION #22 How many chromosomes are in the cells created during Meiosis? ANSWER 23

Name 2 differences between Mitosis and Meiosis? QUESTION #23 Name 2 differences between Mitosis and Meiosis? ANSWER Body (diploid)/ Sex (haploid) 2 cells/4 cells 46 chromosomes/ 23 chromosomes No/ Yes Crossing over 5 phases/10 phases

MITOSIS What process does a Zygote go through to develop and grow? QUESTION #24 What process does a Zygote go through to develop and grow? ANSWER MITOSIS

2 How many cells does the process of Meiosis I end with? ANSWER QUESTION #25 How many cells does the process of Meiosis I end with? ANSWER 2

DIPLOID A human cell with 46 chromosomes is called or 2n ANSWER 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

HAPLOID A human cell with 23 chromosomes is called or n ANSWER 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

ONE, 4 The process of Meiosis begins with cell(s) and ends with QUESTION #30 The process of Meiosis begins with cell(s) and ends with cell(s) ? ANSWER ONE, 4

ONE, 2 The process of Mitosis begins with cell(s) and ends with QUESTION #31 The process of Mitosis begins with cell(s) and ends with cell(s) ? ANSWER ONE, 2