When a disease is present in a family, knowledge of defective gene transmission patterns can be used to compute the probability of prospective parents having a child with the disorder. Genetic counselor is the one who calculates genetic probability. Calculation of such genetic probability is important for prospective parents because they will be able to […]
There are four different kinds of inheritance in pedigree analysis. They are as follows: Tips to Solving Pedigree Problems: Autosomal Dominant Trait Example: Explanation: X-linked Dominant Trait: Example: Explanation: Autosomal Recessive Trait Explanation: X-linked Recessive Trait: Explanation: Let’s discuss a question: In the given pedigree, find out the nature of pedigree.
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Population is one of the most important biological organizations that we study in ecology. It is important for us to understand the meaning of population, population size, population density, and population growth patterns in order to understand how the trend is going to affect our natural resources, biodiversity, and climate as a whole. This article
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Good ozone of the Stratosphere Formation of ozone: Effects of Ozone Depletion: Due to ozone depletion, UV-rays reach the earth surface and cause severe problems. Few harmful effects of UV-rays are mentioned below: Types of UV-rays: UV-A – near to the visible light ranges from 315 – 400 nm Exposure of UV-B Radiation Cause Snow
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Concentration of Greenhouse Gases Gases Concentration CO2 368 ppm CH4 1750 ppb CFC 282 ppt N2O 270 ppb Positive effect: Negative effects: 1. In 20th century, the increase in annual mean temperature is 0.6 °C. How Can We Control Global Warming?
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GTFs are of the followingtypes: MNEMONICS TO REMEMBERTRANSCRIPTION FACTOR IN SEQUENCE Dogs Barkand Bite People Frequently Every Halloween Dogs = TFIID; Bark = TBP; Bite = TFIIB; People = RNA P; Frequently = TFIIF; Every = TFIIE; Halloween= TFIIH STEPS: ELONGATION of Transcription in Eukaryotes: RNA of eukaryotes undergoes furtherprocessing before it is translated. RNA
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Q. What is gene expression? Operon Concept for Regulation of Gene Expression LAC OPERON CONCEPT
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Differences in the Process of Transcription in Prokaryotes versus Eukaryotes Transcription Unit in DNA: The conventional numbering system of promoters Structural Gene Present in the Transcription Unit: Types of RNA and the Process of Transcription Structure of RNA polymerase Enzyme: Steps of Transcription: Termination: Rho Dependent Transcription:
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Unwinding of DNA Double Helix: Addition of Primer to the DNA helix: Polymerization of nucleotides for the formation of new DNA strands: Summary of DNA polymerase enzyme: Enzyme DNA pol I DNA pol II DNA pol III 5’– 3’ polymerase Yes Yes Yes 3’ — 5’ exonuclease Yes Yes Yes 5’ — 3’ exonuclease Yes
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