Quizz 4

 Score for this attempt: 5 out of 5

Submitted Feb 3 at 1:45am

This attempt took less than 1 minute.

 

Question 1

1 / 1 pts

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

 

 

Question 2

1 / 1 pts

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

 

  

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

 

  

Any two chromosomes in Sachin's cells

 

  

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

 

 

Question 3

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 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

 

  

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

 

  

Any two chromosomes in Giselle's cells

 

 

Question 4

1 / 1 pts

Which of the following best describes what happens in independent assortment when creating a sperm cell?

  

The sperm cell randomly receives one chromosome copy from each pair of chromosomes

 

  

The sperm cell receives any random set of 23 of the 46 chromosomes

 

  

The sperm cell receives one X chromosome, plus a random selection of any of the 44 remaining chromosomes

 

  

The sperm cell receives either an X or Y chromosome, plus a random selection of any of the 44 remaining chromosomes

 

 

Question 5

1 / 1 pts

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?

  

Multiply 2 times 16

 

  

Calculate 2 to the power of 16

 

  

Multiply 16 times 16

 

  

Calculate 16 to the power of 2