Lab 4

Question 1

What are the stages of meiosis 1?

Answer 1

• prophase 1
• prometaphase 1
• metaphase 1
• anaphase 1
• telophase 1

Question 2

What stage is between meiosis 1 and meiosis 2?

Answer 2

interkinesis.

Question 3

What are the stages of meiosis 2?

Answer 3

• prophase 2
• prometaphase 2
• metaphase 2
• anaphase 2
• telophase 2

Question 4

What happens in meiosis 1?

Answer 4

halves the number of chromosomes

diploid to haploid

Question 5

What happens in meiosis 2?

Answer 5

separates replicated chromosomes into single chromosomes

already haploid

Question 6

What are the diploid cells in plants that meiosis occurs in called?

Answer 6

sporocytes

Question 7

Where are sporocytes found?

Answer 7

in the reproductive organs called sporangia.

Question 8

What do sporocytes form after meiosis?

Answer 8

spores.

Question 9

What are the male reproductive structures in plants called?

Answer 9

anther and stamen

Question 10

What is the complex plant life cycle called?

Answer 10

alternation of generations.

Question 11

What is the diploid generation of the plant lifecycle called?

Answer 11

sporophyte

Question 12

What happens in the sporphyte generation?

Answer 12

haploid spores are produced by meiosis in the sporangia.

Question 13

What is the haploid generation of the plant lifecycle called?

Answer 13

gametophyte

Question 14

What happens in the gametophyte generation?

Answer 14

reproductive organs produce gametes through mitosis.

Question 15

What are the brown spots on the underside of a fern leaf called?

Answer 15

sori.

Question 16

What is the part of the fern that contains the roots called?

Answer 16

rhizome

Question 17

Where does meiosis occur in the male and female organs of plants? (what are these organs called)

Answer 17

male - testes

female - ovaries

Question 18

What occurs in the chiasma?

Answer 18

crossing over of non-sister chromatids.