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1) Dentinogenesis imperfecta is a tooth disorder involving the production of dentin sialophosphorprotein, a bone-like component of the protective middle layer of teeth. The trait is inherited as an autosomal (i.e. traits are inherited regardless of the sex) dominant allele located on chromosome 4 in humans and occurs in about 1 in 8000 people. Assume that a man withDentinogenesis imperfect, whose father had the disease but whose mother had normal teeth, married a woman with normal teeth. They have three children.
(a) Estimate the probability that their first child will be a male with Dentinogenesis imperfect? (b) What is the probability that two of his children will have the disease?
2) The seeds in bush bean pods are each the product of an independent fertilization event. Green seed color is dominant to white seed color in bush beans. If a heterozygous plant with green seeds self- fertilizes, what is the probability that 4 seeds in a single pod of the progeny plant will consist of
(a) 2 green and 2 white seeds? (b) all green seeds?(c) at least 1 white seeds?
Upon completion of genome sequencing projects, how do scientists usually go about asking how many genes there are in genome and where they are located.
Cleavage of DNA with restriction enzymes provides landmarks and sequence information. How frequently are specific sites found? How many sites are expected? Does this change if the DNA is circular.
What is the relationship between an increase in light intensity and photosynthetic rate in leaves from a corn plant? How does this association compare with what you observed for tomato plants.
define treatment of phenylketonuria and galactosemia.
Evaluate the sizes of the different digestive organs of an earthworm. Which organ is the largest? How does its size make it well suited for its function.
In Staphylococcus epidermidis, bacillus subtilis and escherichia coli, which one has gram- positive, which one has gram-negative? Also, which organism is the biggest? Which one is the least.
What combination(s) of chromosomes are possible in haploid cells following both divisions of meiosis? (Hint: remember independent assortment). A diploid cell contains three pairs of homologous chromosomes designated C1 and C2, M1 and M2, and S1 and S..
What aspects of social and work environment in a college cafeteria will be of particular interest to a sociologist since of his or her sociological imagination.
Compare and contrast gene expression in prokaryotes vs. eukaryotes from the standpoint of promoter sequences
If you continue adding drops of bromine to each, eventually lipids change color. For our experiment it took 14 for lard, 23 for olive oil, and 35 for corn oil. Yet, the iodine numbers for each were 59, 81, 123 respectively. Would you consider the ..
Assume that, during biological research, it became possible to incorporate fully functional chloroplasts into the basal layer of our epidermal skin cells. Knowing the structure and function of chloroplasts, how will this influence our body.
We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, water we wash with, and on the hands of friends. Why don't we always have problems with bacterial infections all over our bodies.
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