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Chapter 16: Problem 380
What is the probability of getting a 5 on each of two successive rolls of a balanced die?
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Suppose you are a geneticist confronted by two anxious parents, both of whom are known to be carriers for albinism. They want to know what the chance is for the following combinations if they choose to have four children: (a) all four normal; (b) three normal and one albino; (c) two normal and two albino; (d) one normal and three albino.
Polydactyly is a dominant genetic trait in which more than the normal five digits are present on hands or feet. If a man heterozygous for polydactyly marries a normal woman, (a) what is the probability that their first child will have polydactyly? (b) what is the probability that their second child will have polydactyly?
The trait represented in the pedigree below is inherited through a single dominant gene. Calculate the probability of the trait appearing in the offspring if the following cousins should marry. (a) \(\mathrm{F}_{2,2} \times \mathrm{F}_{2,4}\); (b) \(\mathrm{F}_{2,1} \times \mathrm{F}_{2,3}\)
Derive the Hardy-Weinberg probabilities in a population with random mating.
A sample of 25 female Drosophila were measured for number of eggs laid in a 24-hour period, and the following counts were recorded: \begin{tabular}{|c|c|c|c|c|} \hline 97 & 79 & 88 & 91 & 88 \\ \hline 86 & 104 & 89 & 91 & 92 \\ \hline 103 & 96 & 101 & 94 & 91 \\ \hline 92 & 94 & 95 & 88 & 89 \\ \hline 90 & 93 & 84 & 87 & 93 \\ \hline \end{tabular} Calculate for this sample: (a) mean number of eggs laid; (b) variance and standard deviation; (c) standard error of the mean.
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