Currently unavailable: for regular students
Degree: Medicine (Bachelors) - University College London University
I have always had a passion for learning, critical thinking and problem solving. Yet above all enjoy helping others along their educational journey and can relate to the stress and burden of exams. I am a fun and motivational tutor who understands the stress of exams and university application. As well as helping students understand key concepts, I aim to improve exam technique and knowledge application.
As a medical student I am well studied in the sciences, with Biology, Chemistry and Maths being my areas of specialist interest. Studying at one of the world's best Universities has given me skills such as essay writing, organization and excellent communication skills.
|Biology||A Level||£20 /hr|
|-Medical School Preparation-||Mentoring||£20 /hr|
|-Personal Statements-||Mentoring||£20 /hr|
The human genome consists of 46 chromosomes, specifically 44 autosomal chromosomes, similar in both males and females, and 2 gender specific sex chromosomes (X and Y). It has been known for many years, based on Mendel's pea experiments, that DNA recieved from both parents can be variably expressed to produce offspring with different characteristics, but how does this occur?
DNA is the chemical sequence that encodes the production of all bodily proteins, from enzymes in our stomach to keratin in our hair. Genes are specific sequences of DNA which determine certain features such as eye colour, with alleles being different forms of these genes. A child inherits alleles from both parents and so may inherit the allele for blue eyes from their mother and the allele for brown eyes from their father. Which allele is expressed depends on the dominance of the gene, meiosis and mutation. Mutations may occur either at the level of DNA e.g. substitutions or deletions of bases, or at the chromosomal level, e.g. issues of assortment, structure or number of chromosomes. Therefore our phenotype is the combined result of which alleles we inherit and the form in which the DNA persists.see more
Once a month, following ripening, a single egg is released from a woman's ovaries during the menstrual cycle, with the hope of fertilisation. During the act of sexual reproduction, the father's sperm is deposited within the mother's vagina in order to penetrate this egg. The sperm use their powerful tails to propel towards the egg, and release enzymes to break down its protective coat. It is essential that only one sperm enters the egg, as only two gametes (1 egg and 1 sperm) can contribute to forming a healthy child. The maternal and paternal DNA is mixed within the egg, and the nucleus of this first combined cell forms. This cell then goes on to divide and multiple in order to form a zygote. Over 9 months this ball of cells develops the features of a foetus whilst in the mother's womb and relies upon maternal nutrients and oxygen to survive. As a result of this amazing biological phenomenon every individual possesses DNA which comes in equal parts from both their mother and father. Which genes we received from which parent depends on properties of meiosis and mitosis, such as independent assortment; topics to be covered in a further genetics tutorial.see more