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New Topic  
Anonymous bunnyliv
wrote...
A year ago
please help me figure out these questions!!

The diagram to the right shows a haploid gamete that resulted from meiosis of a diploid cell. Stripes denote chromosomes inherited maternally, solid represents paternal chromosomes. The shapes represent different chromosomes. If you assume no crossing-over, which diagram below represents the diploid cell?   (see image below)

What one event in meiosis makes it possible for chromosomes in gametes to have NEW combinations of genes?
Question options:

1)

cytoplasmic division during telophase II

2)

crossing-over during synapsis

3)

formation of the spindle in prophase I

4)

lining up of homologous chromosomes during metaphase I


Use the following diagram to answer questions 15-21 (see image below please)


The correct sequence of stages for the portion of the process shown above is.
Question  options:

1)

1-3-2-4

2)

3-4-1-2

3)

3-1-4-2

4)

2-3-1-4


Use the diagram in question 15 to answer the following question.

The number of chromosomes in a gamete produced by this cell is
Question options:

1)

3

2)

24

3)

6

4)

12


Use the diagram in question 15 to answer the following question.

The first polar body is seen in stage.
Question options:

1)

1

2)

2

3)

3

4)

4



Use the diagram in question 15 to answer the following question.

Synapsis is first seen in stage
Question  options:

1)

4

2)

1

3)

3

4)

2



Use the diagram in question 15 to answer the following question.

Tetrads are first visible in stage
Question  options:

1)

2

2)

1

3)

4

4)

3



Use the diagram in question 15 to answer the following question.

The number of homologous pairs of chromosomes is
Question  options:

1)

3

2)

12

3)

24

4)

6



Use the diagram in question 15 to answer the following question.

What phase would first indicate that nondisjunction had occured?
Question  options:

1)

2

2)

1

3)

4

4)

3



 
Certain cells have twice as much DNA as other normal cells of the same organism. This is true of
Question  options:

1)

a newly formed sperm cell.

2)

cells that are in an early stage of mitosis

3)

cells that show a decrease in activity of the ribosomes.

4)

an egg cell immediately before fertilization.
2
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3 Replies
Replies
wrote...
Educator
A year ago Edited: A year ago, bio_man
Quote
The diagram to the right shows a haploid gamete that resulted from meiosis of a diploid cell. Stripes denote chromosomes inherited maternally, solid represents paternal chromosomes. The shapes represent different chromosomes. If you assume no crossing-over, which diagram below represents the diploid cell?   (see image below)

Option 2

Quote
What one event in meiosis makes it possible for chromosomes in gametes to have NEW combinations of genes?
Question options:

1)

cytoplasmic division during telophase II

2)

crossing-over during synapsis

3)

formation of the spindle in prophase I

4)

lining up of homologous chromosomes during metaphase I

crossing-over during synapsis

I can't answer the rest because the picture isn't clear enough.
bunnyliv Author
wrote...
A year ago
Hi, sorry here’s a clearer picture.
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Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
Top Poster
Posts: 33224
A year ago
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This verified answer contains over 470 words.
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