Few males inseminate most of the females

Reference no: EM13340229

1. If one of your parents has a rare gene for, say, propensity toward getting green moldy teeth, what are the odds that you will get it?

a. nil

b. 25%

c. 50%

d. 100%.

2. If one of your siblings has a rare gene for, say, propensity toward getting green moldy teeth, what are the odds that you have it?

a. nil

b. 25%

c. 50%

d. 100%

3. Given a choice between raising one of your own children and raising your baby brother since your parents have died, what will be best for your "reproductive success?"

a. it doesn’t matter

b. raise your baby brother

c. raise your own child

4. In species where only a few males inseminate most of the females, there are typically _____ males than(as) there are females.

a. many more

b. many less

c. somewhat more

d. somewhat less

e. as many

5. In species where only a few males inseminate most of the females,

a. there is little use for a large number of males, so genes that favor having males become less common and the proportion of males in the population goes down

b. if there are equal numbers of males and females, then the reproductive success of the males who do the inseminating is very high, but the average reproductive success of males and females is the same.

c. if there are equal numbers of males and females, then the average reproductive success of males is lower than that of females

d. if there are equal numbers of males and females, then the average reproductive success of males is greater than that of females

e. if the average reproductive success of males is lower than that of females, genes favoring having males will increase in the population.

6. Suppose that one were to alter the point system for the Hawk-Dove “competition” to add a cost for Hawk-Hawk fights:

Food = +50

Dove-Dove encounter= -10

Losing a Hawk-Hawk encounter: -100

Winning a Hawk-Hawk encounter: -30 (plus 50 for the food obtained).

The average winnings for a Hawk if almost everyone is a Hawk will be

a. -80

b. -40

c. 0

d. 40

e. 50

[Note: the original version had all wrong answers.]

7. If most of the individuals in a population are hawks and a not many are doves how will the proportion of doves change over time?

a. Increase up to a point and then stop

b. Increase until almost everyone is a dove

c. Decrease up to a point and then stop

d. Decrease until almost nobody is a dove

e. No change.

Reference no: EM13340229

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