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Chapter 14 - Biology Exam

Question:

Most genes have many more than two alleles. However, which of the following is also true?


A) At least one allele for a gene always produces a dominant phenotype.


B) Most of the alleles will never be found in a live-born organism.


C) All of the alleles but one will produce harmful effects if homozygous.


D) There may still be only two phenotypes for the trait.


E) More than two alleles in a genotype is lethal.

Answer:

D) There may still be only two phenotypes for the trait.



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Last update by mayur on 03/27/2014
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Chapter 14   Biology Exam
Chapter 14 - Biology Exam
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Free Flashcard From Chapter 14 - Biology Exam
Question: Most genes have many more than two alleles. However, which of the following is also true? A) At least one allele for a gene always produces a dominant phenotype. B) Most of the alleles will never be found in a live-born organism. C) All of the alleles but one will produce harmful effects if homozygous. D) There may still be only two phenotypes for the trait. E) More than two alleles in a genotype is lethal.
Answer: D) There may still be only two phenotypes for the trait.