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Consider a deleterious recessive allele at a frequency of q = 0.0016 in the population.
a. How many times more likely is the offspring of a cousin mating to suffer its effects (that is, to be homozygous for it) than is an outbred individual?
b. Now do the same analysis for recessive alleles at lower (q = 0.0005) and higher (q = 0.05) frequencies. For which kinds of alleles does inbreeding most strongly increase the probability (absolutely, and relatively) of being affected by the mutation?
Aphids can reproduce sexually and asexually. Females reproduce by themselves and give birth to live females in summer. They also reproduce sexually and lay eggs that survive in summer and eggs that survive in the winter and hatch in the spring.
Give one example of humans evolving over the past 10,000 years. Explain why and how evolution is take place?
In a study of intraspecific aggression, an experimenter finds that 16 out of 23 animals tested in species A exhibit aggression, while only 6 of 25 are aggressive in species B.
Long ears in some dogs are an autosomal dominant trait. Two dogs mate and produce a litter in which 75 percent of the puppies have long ears. Of the dogs with long ears in this litter,
Assume you found your sibling's brother-in-law has had a sample submitted to the lab. This is a person you have never met, but that you know has been in trouble with the law.
An allele A undergoes mutation to the allele a at the rate of ten to five per generation. If a very large population is fixed for A, what is the expected frequency of A in the following generation?
Create an experiment in which you will test the effect of an acidic fluid on enzymatic activity. To complete this assignment, it may be useful for you to review the Scientific Method Tutorial.
Discuss the difference between transformation and electroporationwhen? when do we use transformation and when do we use electroporation?
In Drosophila, the map directions of genes are given in map units numbering from one end of a chromosome to the other. The X chromosome of Drosophila is 66 m.u. long.
The central problem of genetics once we knew that the genetic material was DNA was?
Persons who drink sufficient amounts of alcohol show rapid changes in central nervous system function, including both motor and behavioral changes,
For the population in Qu 1, we sequence the alleles, Compute the number of SNPs and % segregating sites and Calculate the nucleotide diversity.
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