Which of the following DNA mutations is most likely to damage the protein it specifies?
A) a base-pair deletion
B) an addition of three nucleotides
C) a substitution in the last base of a codon
D) a codon deletion
A
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The endocrine gland that is often called the master gland because of its influential role in regulating the other endocrine glands is the
A) thyroid B) pineal C) adrenal D) pituitary
When a recipient cell acquires a piece of naked DNA from the environment, it is called
A. conjugation. B. transduction. C. transfection. D. transformation.
Suppose that your father is heterozygous for sickle cell disease. Suppose also that you know your mom has two "good" alleles. What is the probability that you will have the disorder and/or carry the "bad" allele and be able to pass it on to your children?
a. 25% for you, and 25% for your children b. 0% for you, and a possibility of passing it on to your children c. 0% for you, and you do not need to worry about passing the "bad" allele on to your children d. 50% for you, and 50% for your children
passive requires
What will be an ideal response?