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Q1) QTL mapping studies require that controlled crosses be generated to produce

ID: 269612 • Letter: Q

Question

Q1) QTL mapping studies require that controlled crosses be generated to produce segregating populations (e.g., BC1, F2, etc.)

False

g and e represent deviations from the population mean attributable to genetic and environmental factors, respectively; they can have positive or negative values

g and e represent deviations from the population mean attributable to genetic and environmental factors, respectively; they can have positive values only

g and e represent deviations from the population mean attributable to genetic and environmental factors, respectively; they can have negative values only

g and e represent deviations from the population mean attributable to genetic and environmental factors, respectively; if g is positive, e must be negative

Q3) The total genetic variation in a population can be partitioned into

additive and environmental variances

Q4) To say that a trait exhibits low heritability is to say that

True

Explanation / Answer

1.

The given statement is true.

2.

The statement (1) is accurate.

3.

The total genetic variation in a population can be partitioned into additive and dominance variances.

4.

To say that a trait exhibits low heritability is to say that neither genetic nor environmental influences contribute to trait variation.