Consider a continuous phenotypic trait with an initial average value of 5. In the next generation,...

Consider a continuous phenotypic trait with an initial average value of 5. In the next generation, the average value of the trait is 7. The narrow-sense heritability of the trait is 0.5. Assume that selection accounts for all of the evolution of this trait. What was the selection differential?

The answer is 4.

Expert Solution

orchestra answered 1 year ago

1. The change in mean trait value from one generation to the next is: a. selection...

1. The change in mean trait value from one generation to the next is: a. selection differential b. selection gradient c. heritability d. response to selection 2. For a given gene, the fitness effects of beneficial mutations tend to be ___ those of harmful mutations: a) smaller than b) roughly the same as c) larger than d) more variable than 3. Which of the following is a form of asexual reproduction? a. self-fertilization b. Parthenogenesis c. Hermaphrodism d. non-random mating...

. Consider a trait or phenotypic feature or even a recessive disorder with decidedly non-random geographic...

. Consider a trait or phenotypic feature or even a recessive disorder with decidedly non-random geographic patterning to frequency of the trait, feature, or allele where it is high frequency in some populations and low frequency in other populations (non-random frequency distribution). What are the mechanisms or ways that you could testable hypotheses to explain how that pattern developed and why it is maintained – i.e. forces of evolution? Population histories? Cultural mechanisms? Developmental adaptation? Acclimatization? Describe and illustrate with...

Consider a trait or phenotypic feature or even a recessive disorder with decidedly non-random geographic patterning...

Consider a trait or phenotypic feature or even a recessive disorder with decidedly non-random geographic patterning to the frequency of the trait, feature, or allele where it is high frequency in some populations and low frequency in other populations (non-random frequency distribution). What are the mechanisms or ways that you could testable hypotheses to explain how that pattern developed and why it is maintained – i.e. forces of evolution? Population histories? Cultural mechanisms? Developmental adaptation? Acclimatization? Describe and illustrate with...

Consider a 2-period overlapping generations economy with an initial population N0 = 500. Each generation is...

Consider a 2-period overlapping generations economy with an initial population N0 = 500. Each generation is n = 1.5 times larger than the previous one. Each individual is endowed with y = 100 units of the consumption good when young, and nothing when old. The only way to acquire consumption in old age is by exchanging part of the endowment when young for fiat money. The initial old are endowed with M0 = 20, 000 units of at money. The...

Consider an initial value problem ?′′ + 2? = ?(?) = cos? (0 ≤ ? <...

Consider an initial value problem ?′′ + 2? = ?(?) = cos? (0 ≤ ? < ?) , 0 (? ≥ ?) ?(0) = 0 and ?′(0) = 0 (a) Express ?(?) in terms of the unit step function. (b) Find the Laplace transform of ?(?). (c) Find ?(?) by using the Laplace transform method.

Consider the following initial value problem. y''−4y = 0, y(0) = 0, y'(0) = 5 (a)...

Consider the following initial value problem. y''−4y = 0, y(0) = 0, y'(0) = 5 (a) Solve the IVP using the characteristic equation method from chapter 4. (b) Solve the IVP using the Laplace transform method from chapter 7. (Hint: If you don’t have the same ﬁnal answer for each part, you’ve done something wrong.)

Consider the following initial value problem: ?? − 2?? = √? − 2? + 3 ??...

Consider the following initial value problem: ?? − 2?? = √? − 2? + 3 ?? ?(0) = 6 1. Write the equation in the form ?? ?? = ?(?? + ?? + ? ), where ?, ?, ??? ? are constants and ? is a function. 2. Use the substitution ? = ?? + ?? + ? to transfer the equation into the variables ? and ? only. 3. Solve the equation in (2). 4. Re-substitute ? = ??...

Consider the reaction and the initial concentration and initial rate data below. BrO3-(aq) + 5 Br-...

Consider the reaction and the initial concentration and initial rate data below. BrO3-(aq) + 5 Br- (aq) + 6 H+(aq) ® 3 Br2 (aq) + 3 H2O (l) Experiment [BrO3-], (M) [Br-],(M) [H+],(M) Initial Rate (M/sec) 1 0.10 0.10 0.10 1.2 x 10-3 2 0.20 0.10 0.10 2.4 x 10-3 3 0.10 0.30 0.10 3.5 x 10-3 4 0.20 0.10 0.15 5.4 x 10-3 a)Determine the rate law for this reaction b)What is the overall order of the rate law?...

Consider the following statements: (I) A continuous functions is always differentiable. (II) The absolute value function...

Consider the following statements: (I) A continuous functions is always differentiable. (II) The absolute value function is differentiable everywhere. (III) If f(x) is differentiable everywhere, with f(−1) < 0, and f(2) > 0, then the equation f(x) = 0 must have a solution in the open interval (−1, 2). Which of the following is true? (a) Only (II) is always true. (b) Only (I) and (III) are always true. (c) Only (II) and (III) are always true. (d) Only (III)...

(3 pts) Solve the initial value problem 25y′′−20y′+4y=0, y(5)=0, y′(5)=−e2. (3 pts) Solve the initial value...

(3 pts) Solve the initial value problem 25y′′−20y′+4y=0, y(5)=0, y′(5)=−e2. (3 pts) Solve the initial value problem y′′ − 2√2y′ + 2y = 0, y(√2) = e2, y′(√2) = 2√2e2. Consider the second order linear equation t2y′′+2ty′−2y=0, t>0. (a) (1 pt) Show that y1(t) = t−2 is a solution. (b) (3 pt) Use the variation of parameters method to obtain a second solution and a general solution.

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