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MEIOSIS 3/2/18

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MEIOSIS3/2/18

PAGE 86

DO NOW

‣ Is this organism human?

‣ Is it male or female?

‣ Are there any abnormalities? If so, where?

‣ Is this karyotype from a somatic cell or sex cell?

AGENDA▸Meiosis

▸Meiosis vs Mitosis

Page 4: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

MEIOSISCORNELL NOTES TITLE (PAGE 87)

Page 5: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

MEIOSIS▸ Process of creating sex cells

▸ Reduces the number of chromosomes in half

Page 6: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

CHROMOSOME REVIEW

Page 7: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

MEIOSIS PROCESS

Page 8: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

SPERMATOGENESIS▸ Creation of sperm cells

Page 9: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

OOGENESIS▸ Creation of egg cells

Page 10: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

MEIOSIS IS A SOURCE OF VARIATION▸ Crossing over (in Meiosis 1)

▸ Independent assortment of chromosomes

Page 11: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

FERTILIZATION▸ Fusion of gametes (egg and sperm come

together)

Page 12: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

MITOSIS VS. MEIOSIS

Page 13: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

PAGE 87

REVIEW▸ Meiosis: Diploid Haploid

▸ Fertilization: Haploid Diploid

Page 14: 3/2/18 MEIOSIS...MEIOSIS 3/2/18 PAGE 86 DO NOW ‣ Is this organism human? ‣ Is it male or female? ‣ Are there any abnormalities? If so, where? ‣ Is this karyotype from a somatic

WRITTEN SUMMARY

PAGE 86

WRITTEN SUMMARY▸ Use ALL vocabulary from today (underline/

highlight)

▸ At least 3 sentences

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