Polygenic traits Study guides, Class notes & Summaries
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Test Bank For Anatomy & Physiology The Unity Of FormAnd Function 7th Edition by Kenneth S. Saladin
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Chapter 04 Genetics of Cellular Function Answer Key True / False Questions 
1. Naked DNA is called chromatin. 
FALSE 
 Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic 
HAPS Objective: C12.04 Analyze the interrelationships among chromatin, chromosomes and chromatids. HAPS Topic: Module C12 Somatic cell division. Learning Outcome: 04.01b Explain how DNA and proteins are organized to form the chromosomes. 
Section: 04.01 Topic: Nucleic acids: DNA and RNA 
2. DNA is ...
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Stutts - ANSC 4395 Breeding & Genetics - Test 3 QUESTIONS AND ANSWERS 100% CORRECT
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Simply-Inherited Traits Correct Answer: traits affected by only a few genes 
qualitative or categorical 
affected little by environment 
 
Quantitative Correct Answer: measured with numbers 
 
Polygenic Traits Correct Answer: Affected by many genes with no gene having an overriding influence. 
- EX: Growth rate, milk production, ribeye area 
Typically quantitative or continuous in expression. 
- Phenotypes are usually described by numbers 
Greatly influenced by environment 
 
Examples of Sim...
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ANSC 4395 exam 3 QUESTIONS AND ANSWERS GRADED A
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Simply-Inherited Traits Correct Answer: - traits affected by only a few genes 
- qualitative or categorical 
- rarely quantitative 
- typically not affected by the environment 
 
Polygenic Traits Correct Answer: - affected by many genes with no gene having an overriding influence 
- typically quantitative or continuous in expression 
- greatly influenced by the environment 
 
Threshold Traits Correct Answer: polygenic traits that have categorical phenotypes 
 
Which are more important? Corre...
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TTU Biology 1402 Exam 2- Dr. Held Latest Update Already Passed
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TTU Biology 1402 Exam 2- Dr. Held 
Latest Update Already Passed 
 
Karyotyping (#chromosome) -To determine if the patient has an abnormal # of chromosomes 
- "A photographic inventory of an individual's chromosomes." 
- ordered display of chromosomes, doubled. 
 
Criss- Cross Inheritance Sons inherit their X chromosome from their mother 
 
Codominance -The heterozygote expresses both traits (alleles). -"A" and "B" genes make 
structures (not enzymes)= sugar types. 
-Ex) Blood types (A,B, ...
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BIOL 133 Exam 2 Questions With Complete Solutions.
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Gene Determination correct answer: the idea that our genes solely determine who we are 
 
example: Huntingdon's disease, and sickle cell anemia both depend on genes 
 
did do genes determine everything? correct answer: NO, 
 
- alcoholism is not determined by genes 
 
complex traits = ? correct answer: Mendelian trais 
 
- complex traits do not follow a simple mendelian pattern of inheritance 
 
Mendelian traits correct answer: characteristics that are influenced by alleles at only one g...
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Ecology Exam 2 question and answers
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Ecology Exam 2 
Chapter 7 
1. Different forms of a particular gene are known as 
a. chromosomes. 
b. alleles. 
c. polygenic. 
d. pleiotropic. 
Answer: b 
2. A trait that is determined by multiple genes is referred to as 
a. polygenic. 
b. pleiotropic. 
c. homozygous. 
d. heterozygous. 
Answer: a 
3.Chickens with the dominant allele at the frizzle gene produce curly feathers, have very high 
body temperature, and lay few eggs. This is an example of 
a. polygenic traits. 
b. pleiotropy. 
c. epista...
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NORTHWESTERN MICHIGAN COLLEGEBIO 268 FINAL EXAM 2024
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NORTHWESTERN MICHIGAN COLLEGEBIO 268 FINAL EXAM 2024 
 
What type of activation is lymphatic tissue by macrophages presenting antigens during a viral infection - correct answer Helper T-cells 
 
The juxtamedullary apparatus acts as a special vascular system called the countercurrent exchange. - correct answer False 
 
What type of birth control may prevent pregancey by manipulating the hormones and interfering with ovulation? - correct answer Hormonal method 
 
What pressure remains the same alo...
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Ecology_Exam_2. questions and answers
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Ecology Exam 2 
Chapter 7 
1. Different forms of a particular gene are known as 
a. chromosomes. 
b. alleles. 
c. polygenic. 
d. pleiotropic. 
Answer: b 
2. A trait that is determined by multiple genes is referred to as 
a. polygenic. 
b. pleiotropic. 
c. homozygous. 
d. heterozygous. 
Answer: a 
3.Chickens with the dominant allele at the frizzle gene produce curly feathers, have very high 
body temperature, and lay few eggs. This is an example of 
a. polygenic traits. 
b. pleiotropy. 
c. epista...
-
Ecology_Exam_2. questions and answers 100% verified
- Exam (elaborations) • 57 pages • 2023
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Ecology Exam 2 
Chapter 7 
1. Different forms of a particular gene are known as 
a. chromosomes. 
b. alleles. 
c. polygenic. 
d. pleiotropic. 
Answer: b 
2. A trait that is determined by multiple genes is referred to as 
a. polygenic. 
b. pleiotropic. 
c. homozygous. 
d. heterozygous. 
Answer: a 
3.Chickens with the dominant allele at the frizzle gene produce curly feathers, have very high 
body temperature, and lay few eggs. This is an example of 
a. polygenic traits. 
b. pleiotropy. 
c. epista...
-
UCI BIO 93 Final Questions & Answers Already Passed!!
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What is an example of incomplete dominance? - Answer-A red and white snapdragon making a pink 
offspring 
What is an example of co-dominance? - Answer-Blood cells. 
What is Pleiotropy? - Answer-When a gene affects more than 
one phenotypic character. 
What is the norm of reaction? - Answer-The range of phenotypic possibilities 
What are some example of polygenic inheritance? - Answer-Skin color and height 
Norms of reactions are broadest for _____________ characters - Answer-polygenic 
Genetic t...
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