Biological Science (6th Edition)
Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 14, Problem 6TYK
Summary Introduction

Introduction:

The genes of non-epistatic nature, which interact with each other in order to influence the phenotypic character are referred to as polygenes and the phenomenon is referred to as multiple gene inheritance. These genes involved in the phenomenon are referred to as pleiotropic.

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When a disease is due to polygenic inheritance, the following is probably true:    A. Many factors, both genetic and environmental, contribute to the disease traits.  B. It is caused by one gene with a large number of alleles.  C. It affects a large number of people.  D. It has many different symptoms
The difference between dominant and recessive traits is … Group of answer choices: A.genes for dominant traits are passed on preferentially. B.effects of recessive traits can be hidden by effects of dominant traits. C.recessive traits are deleterious (bad for the organism) and dominant traits are not. D.dominant genes produce proteins, recessive genes do not. E.dominant traits are more likely to be expressed in males.
Which of the following is false? a. the pollen grain shape was studied by Mendel. b. Mendel believed that the characteristics of pea plants were determined by the inheritance units or factors from both parents. c. An allele is one of several possible forms of a gene. d. When the genotype consists of a dominant and recessive allele, the phenotype will be like the dominant allele.
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