What is the basis of Mendel's principles?

1) What is the basis of Mendel's principles?


A) the behavior of chromosomes during mitotic anaphase


B) the behavior of chromosomes during prophase I only


C) the behavior of chromosomes during mitotic prophase


D) the behavior of chromosomes during prophase I and prophase II


E) the behavior of chromosomes during anaphase I and anaphase II





2) What is the key to the recognition of a trait whose expression is determined by the effects of two or more genes (polygenic inheritance)?


A) The trait exhibits a continuous distribution.


B) A mating between a homozygous and a heterozygous individual produces more than the expected number of offspring expressing the dominant.


C) All of the alleles of the gene for that trait are equally expressed.


D) Pleiotropy occurs.


E) A mating between a homozygous recessive and a heterozygous individual produces offspring who all have the same phenotype.





1) Natural selection can be defined as ____.


A) descent with modification


B) the accumulation of random mutations


C) the relationships among all organisms


D) the production of more offspring than can survive in a given environment


E) changes in gene frequencies attributable to chance

What is the basis of Mendel's principles?
The answer is....in your textbook. Read it and learn.
Reply:Interestingly, Mendel was a Roman Catholic priest.

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