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A family pedigree for a trait shows a fatal disorder cropping up in members of a family in both sexes and in every generation, but, surprisingly, it also shows that unrelated husbands and wives marrying into this family are also equally prone to dying of this disorder. What are 2 possible interpretations of this observation concerning the origins and etiology of this deadly disorder?
A mutation in a DNA repair pathway makes the mutant strain highly susceptible to Nitrous acid (see above for hint) and to the depurinating agent Aflatoxin.
Semen is a mixture of sperm and fluids from the accessory organs of the male reproductive tract. Describe the role of these fluids and what organ they are secreted from.
Using your knowledge of development, genetics, and biology, explain a possible reason why males and females have a different TRC.
Meiosis produces four cells: 2 have 5 chromosomes present, 1 has 4 chromosomes present and 1 cell has 6 chromosomes present. In which meiosis (meiosis I or meiosis II) did nondisjunction occur?
a monohybrid cross is carried out between pea plants with round and wrinkled seeds. A single round seed is chosen from the F2 generation, and its DNA examined by electrophoresis. what is the probability that the gel pattern appears?
The membranous vesicle of a submitochondrial particle after removal of the F1 spheres would be able to (1) oxidize NADH; (2) produce H2O from O2; (3) generate a proton gradient; (4) phosphorylate ADP.
A blue-eyed man marries a brown-eyed woman; and they have six children, all brown-eyed. What is the most likely genotype of the father?
How many net ATP are gained through glycolysis? (the pathway itself, not substances that will eventually go through the electron transport chain)?
If a woman who is red-green color-blind, an X-linked trait, married a man with normal vision, what phenotypic ratios would you expect to observe in their children?
they must then demonstrate that the pathogen will not harm desirable species such as soybeans ( a close relative to kudzo). Describe an experiment that could fulfil this purpose, including all steps of the scientific method, Identify control(s) de..
Will victim die, or would the scientist have to go back to the laboratory to invent a more effective death-ray. The DNA is consequently isolated and centrifuged in a CsCl2 gradient to yield what type of gradient band(s).
During transcription DNA is transcribed into an hnRNA or pre-RNA molecule. Which of the following statements about the relationship between hnRNA and mRNA is true.
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