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Exam (elaborations)

MBG2400 Exam Review Questions with Complete Correct Answers | Grade A+
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14

July 2024

2023/2024

A+
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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MBG2400 Exam Questions with Complete Correct Answers | Grade A+
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19

July 2024

2023/2024

A+
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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Exam (elaborations)

MBG2400 Canovas Lectures Questions with Complete Correct Answers | Grade A+
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7

July 2024

2023/2024

A+
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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Exam (elaborations)

MBG2400 Andy Robinson Content Questions with Complete Correct Answers | Grade A+
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9

July 2024

2023/2024

A+
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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