ozygous animals (Aa) to obtain a population containing mutant homozygotes (aa) that display an interesting behavioral phenotype. You want two mutants to study in detail. Because the apparatus you use to measure this phenotyp
You mate two heterozygous animals (Aa) to obtain a population containing mutant homozygotes (aa) that display an interesting behavioral phenotype. You want two mutants to study in detail. Because the apparatus you use to measure this phenotype can only accommodate a single animal, you test animals sequentially from the litter. What is the probability that you will obtain two mutants in no more than four chosen progeny? (Hint: Aa x Aa = 1 AA:2Aa:1aa)
1. To solve for the probability that is being asked above, what type of distribution you should use? (binomial, geometric, negative binomial, multinomial)
2. What is the set of parameters that you need in order to solve the probability that is being asked in the problem?
A. n=4, p=0.75
B. r=2, p=0.25
C. r=4, p=0.25
D. p1=0.25, p2=0.5, p3=0.25
3. What is the probability that you will obtain two mutants in no more than four chosen progeny? (final answer rounded off)
A. 0.105
B. 0.199
C. 0.250
D. 0.262
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