Question 2

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Sachin & Giselle Question 1:

Sachin (a male) is planning to have a baby with his partner, Giselle (a female).  The DNA that is passed along to their baby will include new combinations of codes due to crossing over.  In the process of crossing over, DNA can be mixed up and recombined between...

  

Any two chromosomes in Sachin's cells

 

  

Any two of Sachin's chromosomes within a pair, except for his sex chromosomes

 

  

Any two of Sachin's chromosomes within a pair, including his sex chromosomes

 

  

Any of Sachin's chromosomes mixing with any of Giselle's chromosomes

 

Question 3If Sachin is a male, his sex chromosomes (X and Y) are quite different from one another.  Therefore, they are not similar enough to allow crossing over to happen.

1 / 1 pts

Sachin & Giselle: Question 2

Sachin (a male) is planning to have a baby with his partner, Giselle (a female).  The DNA that is passed along to their baby will include new combinations of codes due to crossing over.  In the process of crossing over, DNA can be mixed up and recombined between...

  

Any of Giselle's chromosomes mixing with any of Sachin's chromosomes

 

  

Any two chromosomes in Giselle's cells

 

  

Any two of Giselle's chromosomes within a pair, including her sex chromosomes

 

  

Any two of Giselle's chromosomes within a pair, except for her sex chromosomes

 

It would be most accurate to say crossing over happens...

  

Within a fertilized egg after the sperm DNA meets the egg DNA

 

  

In sperm cells or egg cells after they have been created but before fertilization

 

  

In cells in the reproductive organs before sperm or eggs are created

 

  Within any cell throughout the body after DNA is replicated and the cell is ready to divide

 

Considering only independent assortment, how would you figure out the number of possible different egg cells in a species that has 16 pairs of chromosomes?

  

Calculate 16 to the power of 2

 

  

Multiply 16 times 16

 

  

Calculate 2 to the power of 16

 

  

Multiply 2 times 16