MBG2400 Exam- Canovas Questions with Complete Correct Answers | Grade A+

How many loci are involved in quantitative traits? Ans: 10s, 100s, 1,000s of loci What do the many loci involved in a quantitative trait do? Ans: Most have a small effect on the overall function, some have larger parts and can be found. QTL is? Ans: quantitative trait loci QTL Detection Ans: Finding a polymorphism in the genome that is associated with a difference in phenotype. Polymorphism Ans: 2 or more variant forms of a specific dna structure 2 SNP Ans: single nucleotide polymorphism Marker loci Ans: An unimportant polymorphuism, dont genotype the qtl. Allow for the discovery of the QTL M and m QTL uses __ when genotyping Ans: Q and q, essentially the same as M and m CAST gene Ans: Stands for calpastatin: meat quality, tenderness and juiciness Calpastatin Ans: a gene that inhibits calpain Calpain Ans: gene that causes weakened muscle fibers and further degredation post mortem 3 Halothane Gene Ans: a gene that caused the muscle in swine to become watery/mushy when stressed. Pigs more stress susceptible Poor meat qualit