1. 2. 3. All of Allison’s eggs will carry the X chromosome and 50% of Allison’s egg cells will carry the recessive allele (hexa). 4.a. There is a 25% chance that Allison and Tim will have a baby boy who is heterozygous for Tay-Sachs. b. No‚ the baby boy will not have Tay-Sachs he will be a carrier for the disease. The boy would only have the disease if he was homozygous recessive. | X | Y | X | XX | XY | X | XX | XY | 1:2 1:2 | T | t | T | TT | Tt | t | Tt | tt
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Deoxyribonucleic acid (DNA) is the fundamental molecule of life encoding the genetic code for the development and functioning of every living organism and a large variety of viruses. RNA‚ proteins‚ and DNA are the main macromolecules‚ which are necessary for every form of life. The genetic system is encoded in the form of a sequence of nucleotides (guanine‚ adenine‚ thymine‚ and cytosine)‚ which are denoted by the letters G‚ A‚ T‚ and C. Most DNA molecules consist of double-stranded helices‚ composed
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Accepted: 27 September 2007 / Published online: 17 January 2008 # Springer Science + Business Media‚ LLC 2007 Abstract We explored the possibility of protecting Penaeus monodon against white spot syndrome virus (WSSV) infection via interference RNA technology by oral administration of bacterially expressed WSSV VP28dsRNA. Shrimp were given dsRNA orally via two methods. In the first method‚ pellet feed was coated with inactivated bacteria containing overexpressed dsRNA of the WSSV VP28 gene
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5’-CAG AAG AAA AUU AAC AUG UAA-3’ mRNA sequence 3’-GTC TTC TTT TAA TTG TAC ATT-5’ DNA template strand We get the mRNA sequence due the transcription process‚ which gives us the RNA bases that are complementary to the DNA template strand that uses uracil opposite to adenine. The RNA polymerase which is an enzyme that moves from the 3’ to 5’end on DNA template strand to synthesis mRNA from 5’ to 3’. b. What is the amino acid sequence produced by translation of the mRNA sequence
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Proteins are very helpful to you as you can see. Last but not least are nucleic acids. They consist of DNA‚ RNA‚ ATP etcetera. A difference between DNA and RNA is that DNA is double stranded and RNA is single stranded. The monomer of it is nucleotides. The structure is made up of sugar‚ phosphate group and a nitrogen Functions include the DNA containing all of your hereditary information and RNA uses your DNA to make proteins. This
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in terms of selection mechanisms shaping localizable trajectories and/or resulting in more globalized regimes. By expanding the data with patents and scholarly publications‚ we demonstrate the use of this multi-perspective approach in the case of RNA Interference (RNAi). The possibility to develop an "Innovation Opportunities Explorer" is specified. Comments: | Technology Analysis and Strategic Management (forthcoming in 2013) | Subjects: | Digital Libraries (cs.DL); Physics and Society (physics
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cytosine with guanine. When a cell requires a particular protein‚ an activation signal stimulates the release of an enzyme called RNA polymerase‚ which causes the DNA to "unzip" between nucleotide pairs in the region of the appropriate gene. As the RNA polymerase molecule moves along one of the unzipped DNA strands‚ it assembles a similar nucleic acid molecule‚ known as messenger RNA (mRNA)‚ using free nucleotides found inside the nucleus. The mRNA molecule is a mirror image of the DNA strand that is being
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It covers nearly 80% of the genome and overlaps the other three ORFs. The product to the Pol gene is a multifunctional protein spanning approxmately 834 to 845 codons and comprises the DNA- and RNA- dependent DNA polymerase (reverse transcriptase‚ RT)‚ RNase H and the terminal protein domains (Bartenschlager and Schaller‚ 1988; Radziwill et al.‚ 1990) (Figure-1.6A). The terminal protein‚ or primase‚ is located at the N-terminus of the polymerase
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transcribed by RNA polymerase enzymes. The transcription begins at the promoter sequence on the DNA and works down‚ thus the nucleotide sequence of the mRNA is complimentary to the one of DNA. In eukaryotes the mRNA is processed in the nucleus before transport to the cytoplasm for translation. In order for the mRNA to become true functioning RNA it must under go several stages of modification. At first‚ when the mRNA is produced‚ a cap is added enzymaticully to the 5¹ end of the RNA by linking a
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Genetics alone cannot explain all the biological processes as predicted and assumed earlier. Then epigenetics‚ a relatively young science comes to help genetics explain the biology. Epigenetics is any covalent modification of DNA‚ RNA and protein‚ resulting changes in their functions without modifying their sequences (Bird‚ 2002). Some time epigenetic modifications passed to future generations‚ but in other instances they change with environmental stimuli. Epigenetics can explain some of the exciting
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