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1. Phenylketonuria (PKU) is extremely common in Ireland, affecting approximately 1 in 4500 live births. What is the frequency of PKU carriers?
A. 2.2%B. 0.022%C. 2.9%D. 1.49%E. 98.5%
2. In a group of 500 people, the frequency of genotype NN is 40%. How many individuals would you expect to have the MN genotype?
A. 232B. 300C. 200D. 68E. 258
3. If an X-linked recessive trait has a frequency of 5% in males, what percentage of females are carriers?
A. 4.2%B. 10%C. 9.5%D. 95%E. 5%
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Compute the ratio of molecular weights of 60S and 40S ribosomal sub-units assuming that sub-units have spherical shape and the same density.
In humans, red-gren color blindness is recessive and X-linked, while albinism is recessive and autosomal. What types of children can be manufactured as the result of marriages between two homozygous parents.
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A sample of h2O with a mass of 46 0 grams has a tempeture of -58 0 celsiuse how various joules of energy are necessary to heat the stream of 100 0 celsiuse to 114 o celsiuse if specific heat of steam is 2 01 g celsiuse.
Analyze the contributions of select scientists from the Greek and Roman period. Explain the Arab influence on the development of anatomy and physiology.
In a primrose variety there is one gene controlling color of the flower. 2-alleles of this gene occur red and white.
Assume y ou wish to use PCR to sequence a particular gene that you have isolated. The sequencing protocol suggests that you use 3.2pmole (pico moles) of your primer in a 2 micro liter volume.
Cells are capable of replicating their own DNA, which amounts to billions of base pairs, quite efficiently, and yet in a PCR or sequencing reaction we are only able to accurately replicate.
A 3-factor cross in Salmonella typhimurium was performed using bacteriopage P22. The cross between an arg-leu-his- recipient bacterium and bacteriophage P22,
Ribozymes have various catalytic activities with reactions that follow classical enzyme kinetics other than with low catalytic rate.
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