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Warm up 2/6

Last updated about 6 years ago

4 questions

1

1

1

1

Question 1

1.

Which sample is most likely DNA?

Sample 1

 Sample 2

 Sample 3

 Sample 4

Question 2

2.

What is the purpose of this model?

To replicate the DNA of an organism before cell division

To assemble nucleotides in an mRNA chain along a DNA template

To synthesize amino acids used to unzip strands of DNA and copy the genetic code

To translate the genetic code into a specific sequence of amino acids

Question 3

3.

In rabbits, fur color is incompletely dominant. BB rabbits are black, BW rabbits are grey and WW rabbits are white. On an island, there are black rocks and white rocks. Grey rabbits are easily found by predators because neither rock color camouflages them. Which type of selection will occur in this population?

 Only grey rabbits will survive, and all of their offspring will be grey. 

The allele for black coloring will be lost because of predatory wolves eating the black rabbits 

The allele for white coloring will be lost because of predatory wolves eating the white rabbits. 

 Both the white and black alleles will continue to be pass on in the rabbit population.

Question 4

4.

Local farmers are upset when a company decides to grow test crop of a special type of corn across the road. This corn contains an untested gene, added by scientists, to fight off a certain virus. Because the farmers do not want the new gene in their corn fields, they are concerned about which evolutionary effect?

 Gene Flow 

 Genetic Drift 

 Sexual Selection 

 Temporal Isolation 