Why are chromosomes important?

/in /by

Why are chromosomes important?. I have attached two labs with corresponding post lab work sheet for you to complete.

 

1.    Why are chromosomes important?

Save your time - order a paper!

Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines

Order Paper Now

 

 

 

 

2.    How are meiosis I and meiosis II different?

 

 

 

 

3.    Why do you use non-­sister chromatids to demonstrate crossing over?

 

 

 

 

 

4.    What combinations of alleles could result from a crossover between BD and bd chromosomes?

 

 

 

 

5.    How many chromosomes were present when meiosis I started?

 

 

 

 

 

6.    How many nuclei are present at the end of meiosis II? How many chromosomes are in each?

 

 

 

 

7.    Identify two ways that meiosis contributes to genetic recombination.

 

 

 

 

8.    Why is it necessary to reduce the number of chromosomes in gametes, but not in other cells?

 

 

 

9.    Blue whales have 44 chromosomes in every cell. Determine how many chromosomes you would expect to find the following.

 

 

a.    Sperm Cell:

 

 

 

 

 

b.    Egg Cell:

 

 

 

 

 

c.    Daughter Cell from Mitosis:

 

 

 

 

 

d.    Daughter Cell from Meiosis II:

 

 

 

 

 

10.  Research and find a disease that is caused by chromosomal mutations. When does the mutation occur? What chromosomes are affected? What are the consequences?

 

 

 

 

 

11.  Diagram what would happen if sexual reproduction took place for four generations using diploid (2n) cells.

 

 

1.    As a cell grows, what happens to its surface area : volume ratio? (Hint: Think of a balloon being blown up). How does this ratio change with respect to cell division?

 

 

 

 

2.    What is the function of mitosis in a cell that is about to divide?

 

 

 

 

 

3.    What would happen if mitosis were uncontrolled?

 

Why are chromosomes important?

 
"Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!"