Polygenic traits - Study guides, Class notes & Summaries
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Mendelian & Non-Mendelian Genetics Questions + Answers Graded A+
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Allele - alternative form of a gene (one member of a pair) located at a specific position on a 
specific chromosome (a letter) 
Codominance - occurs when BOTH alleles of a gene are expressed in an individual (ex. Black + 
White = Black & White Speckled) 
Dihybrid cross - a two-trait cross (ex. color & shape) 
Dominant Allele - an allele that produces the same phenotype whether its paired allele is identical 
or different (capital letter) 
F1 Generation - first filial generation is the generation...
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BIO 156 ALL QUIZZES 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED
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BIO 156 ALL QUIZZES 2024 QUESTIONS WITH 
CORRECT ANSWERS ALREADY PASSED AND 
VERIFIED 
DNA differs from RNA because DNA - CORRECT ANSWER contains thymine in 
place of uracil. 
Nucleotides - CORRECT ANSWER ..., Basic units of DNA molecule, composed of 
a sugar, a phosphate, and one of 4 DNA bases; 
- contain nitrogenous bases 
- contain sugar molecules 
- contain phosphate groups 
- can be linked together to form nucleic acids 
Genetic information is encoded in the - CORRECT ANSWER sequence o...
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BIO 189 FINAL ARIZONA COLLEGE OF NURSING EXAM QUESTIONS WITH 100% CORRECT ANSWERS!!
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■ How can the sequence of bases contribute to the diversity among species? - Answer-DIFFERENT 
SEQUENCES OF BASES MAKE DIFFERENT TRAITS 
■ Introns and Exons - Answer-INXONS ARE NOT NEEDED (IN TRASH), 
EXONS ARE THE PART OF NUCLEOTIDE THAT DO CODE FOR MAKING THE PROTEIN AND ARE READ 
(ESSENTIAL) 
■ What are histones? - Answer-THE PROTEINS DNA WRAPS AROUND, HELPS BUILD SHAPE OF 
CHROMOSOMES 
■ What are the nucleotide bases? - Answer-adenine (A), cytosine (C), guanine (G) and thymine (T). 
...
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Bio 101 EXAM 4 Questions With Verified Solutions
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Bio 101 EXAM 4 Questions With Verified 
Solutions 
an allele is 
a. the dominant form of a gene 
b. the recessive form of a gene 
c. a variety of pea plant used by Mendel 
d. an alternative version of a gene - answerd. an alternate version of a gene 
Which of the following traits shows a polygenic method of inheritance? 
a. sickle cell disease 
b. seed color in peas 
c. skin color in humans 
d. flower color in snapdragons 
e. blood type in humans - answerc. skin color in humans 
The Y chromosome...
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Ecology_Exam_2 100% verified
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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. pleiotrop
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Molecular Genetics Questions and Answers for the final Exam preparation
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what does it mean to be genetically polymorphic? 
to have different forms of individuals as a result of discontinuous genetic variation 
ex: when more than one allele occupies that gene's locus within a population (hair color) 
What kind of traits did Mendel observe? 
simple, distinctive phenotypic traits that are determined by single genes (monogenic and qualitative) 
Quantitative traits are ________________ 
polygenic 
what does it mean for a trait to be polygenic? 
The expression of the trai...
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C190 WGU- INTRO TO BIOLOGY UNIT 6|19 QUESTIONS AND ANSWERS 2023.
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Which of the following contains the largest amount of genetic information? 
a)chromosome 
b) gene 
c) protein 
d) phenotype 
e) allele 
chromosome 
 
 
 
Fur color in dogs is an example of a(n): 
a) phenotype 
b) genotype 
c) allele 
phenotype 
 
 
 
The genes that encode the brown pigment in a dog's fur are an example of a(n): 
a) allele 
b) phenotype 
c) genotype 
genotype 
 
 
 
The genes, which encode for the pigments for brown and black fur are located in the same spot on the same chromoso...
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Saylor Academy Psych101|111 Questions With 100% Correct Answers| Download to pass
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Eugenics - ️️The science of improving a human population by controlled breeding to increase the occurrence of desirable heritable characteristics. Developed largely by Francis Galton as a method of improving the human race, it fell into disfavor only after the perversion of its doctrines by the Nazis. 
 
Genomic imprinting - ️️Phenomenon by which certain genes are expressed in a parent-of-origin-specific manner. If the allele inherited from the father is imprinted, it is thereby silenced...
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UCI BIO 93 Final Prep Test Questions With Answers
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UCI BIO 93 Final Prep Test 
Questions With Answers 
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 ...
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UCI BIO 93 Final Real Exam Questions With Answers | Latest Update
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UCI BIO 93 Final Real Exam Questions 
With Answers | Latest Update 
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 reactio...
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