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Examen
MBG2400 Exam Review Questions with Complete Correct Answers | Grade A+
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--14julio 20242023/2024A+Disponible en un paquete
- When do F2 ratios do not hold? 
Ans: When 2 loci are not independent 
What is pleiotropy? 
Ans: One locus affects more than one trait 
What is epistasis? 
Ans: Allele at one ocus that affects the allele on another locus 
What is linkage 
Ans: 2 or more loci on the same chromosome 
What impairment is linked with white fur in cats and what is it caused by 
Ans: Deafness and melanocytes 
2 
What do P,H,Q stand for in the equation+H+Q=1? 
Ans: P=homozygous dominant, H=heterozygous, Q=homozygous 
Wha...
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Examen
MBG2400 Exam Questions with Complete Correct Answers | Grade A+
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--19julio 20242023/2024A+Disponible en un paquete
- Qualitative traits 
Ans: controlled by one or a few loci; discrete phenotypes (eye colour, coat colour, seed 
colour, seed texture, blood type, colourblindness etc) 
Quantitative traits 
Ans: controlled by multiple loci (also called polygenic traits); continuous phenotypes 
(height, weight, racing speed, milk yield, temperature, intelligence, temperament, 
schizophrenia - threshold trait) 
--> the range is measured as variation 
--> many loci contributing to the phenotype 
P = G + E 
An...
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Examen
MBG2400 Canovas Lectures Questions with Complete Correct Answers | Grade A+
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--7julio 20242023/2024A+Disponible en un paquete
- What is heritability? 
Ans: the proportion of variation among individuals that we can attribute to genes 
What is a quantitative trait? 
Ans: a measurable phenotype that depends on the cumulative actions of many genes and 
the environment 
What is a QTL? 
Ans: quantitative trait loci 
What is the goal of QTL detection? 
Ans: find a polymorphism in the genome that is associated with a distinct difference in 
phenotype 
What are examples of QTLs? 
Ans: Calpastatin, halothane 
2 
When is candidat...
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Examen
MBG2400 Andy Robinson Content Questions with Complete Correct Answers | Grade A+
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--9julio 20242023/2024A+Disponible en un paquete
- using the hardy-weinberg principle, what happens to p and q w/ random mating 
Ans: nothing, their values don't change 
when detecting carriers, what happens to P(Bb) and n increases 
Ans: P(Bb) decreases as n increases, creating a higher level of confidence in detecting a 
carrier 
migration 
Ans: the movement of alleles from 1 population to another 
what do the proportion of alleles in a new population depend on 
Ans: immigration rate + difference in allele frequencies between the 2 populatio...
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