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In Drosophila, the production of red eye pigment requires theautosomal dominant allele A. The dominant allele P of a second unlinked autosomal geneturns the pigmented eye to purple, but its recessive allele leaves it red. Afly producing no pigment has white eyes. A homozygous white-eyed fly is crossed witha purple eyed fly of unknown genotype. The F1 are ½ purple, ½ redeyed.
A What are the P1 genotypes?B If the F1 purple flies are interbred, what phenotypes willappear, in what ratios?C if the F1 red eyed flies are mated with each other, what types ofprogeny will appear?D if the F1 red-eyed flies are mated with the F1 purple eyed flieswhat phenotypic ratio is expected?
The addition of oligomycin to mitochrondria markedly drecreased both the rate of electron transfer from NADH to oxygen and the rate of ATP formation.define what is the mechanism of inhibition.
You will take a culture of photosynthetic bacteria and bubble nitrogen gas through it to displace the dissolved in the solution. Why is it important to keep the bottle covered with foil while you do this?
A forty-five year old woman goes to the primary care physician with abdmonal pain, nausea, and non - bloody diarrhea. A gram stain of a stool sample presents with gram negative rods.
Can someone explain replica plating in detail regarding xgal and xgal + iptg? I am studying for an exam and am very confused. I have in my notes something about mutations turn xgal +iptg blue when its supposed to be white and wild type should be x..
How many copies of the genome is in each cell of a diploid organism? Does natural selection act directly, or indirectly, on genes? What is genotype x environment interaction?
Streptococcus A has a protein in the cell wall that provides benefit to the bacteria by way of “molecular mimicry”. Briefly describe what molecular mimicry is, and how it ca lead to long term damage to the human host.
Explain body composition and the risks associated with excess body fat. Assess factors that influence the obesity epidemic.
Point out similarities and differences in their scientific foundation. What is the mainly abundant cell type? Which is the slightest prevalent.
The Cleaver family awaited the birth of Claudette's puppies with anticipation. But shortly after standard poodle gave birth to six pups, two of them.
The group of molecular biologists is trying to synthesize a new artificial compound to mimic the effects of a known hormone that influences sexual behaviour. They have turned to you for advice.
Determine the cell biology of periodontal ligament tissues (PDL) originating from cranial neural-crest-derived extomesenchymal cells.
q1. homologs that are heterozygous for an inversion have difficulties pairing in meiosis. throughout pairing homologous
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