Please please please Help with BIO?

1) Sickle cell anemia is a recessive disorder that is only expressed if inherited from which of the following?

Answer

Both grandparents

Both parents

Only the father

Only the mother

2) Genetically modified beef offers great benefits to producers and farmers. Buyers should be aware of which of the following regarding this biotechnology?

Answer

The increased costs to all areas of the food industry

Its potential effects on those who consume it

The financial costs to those who grow them

The dwindling genetic diversity in farm animals

3) Which type of mutation results in a base pair within a DNA sequence being replaced with a different pair?

Answer

Deletion

Inversion

Substitution

Translocation

4) Which of the following would most likely happen if DNA polymerase were not functioning properly during DNA replication?

Answer

Any of the nitrogenous bases in the DNA strands would be able to form base pairs with each other.

Hydrogen bonding between nitrogenous bases would cause the DNA to fold upon itself.

The new strands of DNA would not be an exact copy of the original DNA.

The two strands of DNA would separate from each other and be unable to reform.

5) Some organisms can reproduce both sexually and asexually. Which of the following is a long-term consequence of undergoing only asexual reproduction?

Answer

Fewer mutations than if the organism reproduced sexually

Fewer natural predators than if the organism reproduced sexually

Less genetic variation than if the organism reproduced sexually

Less reproductive success than if the organism reproduced sexually

3 Answers

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  • Anonymous
    9 years ago
    Favorite Answer

    1) both parents

    2) The dwindling genetic diversity in farm animals

    3) Substitution

    4) The new strand of DNA would not be an exact copy of the original DNA

    5) Less genetic variation than if the organism reproduced sexually

  • 9 years ago

    1) Sickle cell anemia is a recessive disorder that is only expressed if inherited from which of the following?

    Both parents

    2) Genetically modified beef offers great benefits to producers and farmers. Buyers should be aware of which of the following regarding this biotechnology?

    Its potential effects on those who consume it

    3) Which type of mutation results in a base pair within a DNA sequence being replaced with a different pair?

    Substitution

    4) Which of the following would most likely happen if DNA polymerase were not functioning properly during DNA replication?

    The new strands of DNA would not be an exact copy of the original DNA.

    5) Some organisms can reproduce both sexually and asexually. Which of the following is a long-term consequence of undergoing only asexual reproduction?

    Less genetic variation than if the organism reproduced sexually

  • Anonymous
    9 years ago

    1) Both

    Source(s): 1) both parents 2) The dwindling genetic diversity in farm animals
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