• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Biology coursework is to find the different variations in our science class.

Page
  1. 1
    1
  2. 2
    2
  3. 3
    3
  4. 4
    4
  • Essay length: 1413 words
  • Submitted: 19/11/2004
Share this essay:
GCSE Height and Weight of Pupils and other Mayfield High School investigations

The first 200 words of this essay...

Variation

There are two types of variation; Continuous and discontinuous. Continuous variation means there is a range which is quite large e.g. height and weight. Whereas discontinuous variation means only a small number of possibilities e.g. eye colour or hair colour.

The aim of this biology coursework is to find the different variations in our science class.

Results

NOTE: All graphs are on the last pages.

Analysis of graph 1 - Sex

The first graph shows the number of males and females in my random sample. As the graph display, there are 8 females and 7 males. This can not prove that there are literally more girls than boys in the class or school because this is just a random but proportional sample.

While the foetus is not yet a human, it is an equal chance that it could be a male of female. The sperm and egg cells determine the sex of the child. The genetic cross below explains this.

As you can see, females hold only x chromosomes (total of 46) whereas males hold 23 X chromosomes and 23 Y chromosomes. Meiosis occurs; the numbers of

Read more
The above preview is unformatted text

Found what you're looking for?

  • Start learning 29% faster today
  • Over 150,000 essays available
  • Just £6.99 a month

  • "
    This site is absolutely amazing, it will greatly improve your chances of getting the highest possible mark in the coursework and essays required for school, college and university. I would definitely recommend it, it got me my A.
    "
    Shailan, Leicester. A Level Student. Very useful for Biology and Chemistry, also great help in Econo
  • "
    I am a person who learns better from observing first, markedbyteachers had aided my learning by providing pre-done essays, allowing me to expand my knowledge in a productive, logical and easily understandable way.
    "
    Joanne Barratt. Nursing. University Student.

Marked by a teacher

This essay has been marked by one of our great teachers. You can read the full teachers notes when you download the essay.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review on the essay page.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review under the essay preview on this page.