BIOL 1020BIOL 1020Lab 6 ReviewLab 6 Review

Mitosis and Meiosis

LAB 6 REVIEWLAB 6 REVIEW

Mitosis

G1 phase G2 phase

S. phaseDNA replication at this stepCell Cycle

Haplo-Diplontic LifecycleHaplo-Diplontic Lifecycle

Multicellular1N Gametophyte

Meiosis SyngamyZygote (2N)

Mitosis

Multicellular2N Sporophyte

Gametangia (1N)

Gametes (1N)

MitosisSporangia (2N)

Spores (1N)

Mitosis

Diplontic LifecycleDiplontic Lifecycle

Multicellular2N Individual

Meiosis

Syngamy

Zygote (2N)

Gametes (1N)Mitosis

Identify the structures.Identify the structures.

A. (WHOLE STRUCTURE)

B. (GREEN STRUCTURE)

C. (RED STRUCTURE)

A. DS CHROMOSOME

B. CENTROMERE

C. CHROMATID

Identify the structures.Identify the structures.

Identify this image.Identify this image.

5 Identify this image.5 Identify this image.

A PAIR OF DS CHROMOSOMES (2N)

A PLANT GAMETESB HUMAN SKINC PINE TREE ROOTS

Which of the following are produced by mitosis?

A PLANT GAMETESB HUMAN SKINC PINE TREE ROOTS

Which of the following are produced by mitosis?

All of the above

Identify the stage of Identify the stage of mitosis below.mitosis below.

Identify the stage of Identify the stage of mitosis below.mitosis below.

ANAPHASE

Identify the stage of Identify the stage of mitosis below and mitosis below and structure “A”.structure “A”.

A

Identify the stage of Identify the stage of mitosis below and mitosis below and structure “A”.structure “A”.

Centrioles

Metaphase

Identify the structures.Identify the structures.

A. (WHOLE STRUCTURE)

B. (GREEN STRUCTURE)

Identify the structures.Identify the structures.

A. SS CHROMOSOME

B. CENTROMERE

You are studying a species which has a 1N You are studying a species which has a 1N chromosome complement of 13. A cell of chromosome complement of 13. A cell of this organism which has reached the stage this organism which has reached the stage of metaphase I of meiosis would have the of metaphase I of meiosis would have the following chromosome complement:following chromosome complement:

A. A. 26 double stranded chromosomes26 double stranded chromosomes

B. B. 13 double stranded chromosomes13 double stranded chromosomes

C. C. 26 single stranded chromosomes26 single stranded chromosomes

D. D. 13 single stranded chromosomes13 single stranded chromosomes

E. E. 52 single stranded chromosomes52 single stranded chromosomes

You are studying a species which has a 1N chromosome complement of 13. A cell of this organism which has reached the stage of metaphase I of meiosis would have the following chromosome complement:A. 26 double stranded chromosomesB. 13 double stranded chromosomesC. 26 single stranded chromosomesD. 13 single stranded chromosomesE. 52 single stranded chromosomes

Which of the following are Which of the following are produced by meiosis?produced by meiosis?

A Animal gametesAnimal gametesB Plant sporesPlant sporesC Human sperm cellsHuman sperm cells

Which of the following are produced by meiosis?

AAnimal gametesBPlant sporesCHuman sperm cells

All of the above

What stage of meiosis is this What stage of meiosis is this lily microsprangium in?lily microsprangium in?

What stage of meiosis is this What stage of meiosis is this lily microsprangium in?lily microsprangium in?

MEIOSIS IS COMPLETE (NOTE POLLEN TETRADS)

Is the diagram below correct for a Is the diagram below correct for a 2n=4 organism during anaphase II?2n=4 organism during anaphase II?

Is the diagram below correct for a Is the diagram below correct for a 2n=4 organism during anaphase II?2n=4 organism during anaphase II?

NO THIS IS CORRECT

What will be the chromosomal content of What will be the chromosomal content of the 2 cells produced by this single the 2 cells produced by this single cell?cell?

What will be the chromosomal content of What will be the chromosomal content of the 2 cells produced by this single the 2 cells produced by this single cell?cell?

Each cell will be 1N single stranded

BIOL 1020BIOL 1020Lab 6 ReviewLab 6 Review

Mitosis and Meiosis