Top answers

How can two brown-eyed parents have a blue-eyed baby?

Most of our characteristics, such as eye colour, are encoded by a pair of alleles. These are different forms of the same gene, one inherited from the father and one from the mother. You can get dominant and ...
AS
Answered by Amber S. • Biology tutor
34686 Views

How do diffusion and osmosis work?

Imagine someone sprays a deodorant from across the room, eventually it will make its way over to where you are and you can smell it. Diffusion is the spreading out of particles resulting in a net movement fr...
AS
Answered by Atalie S. • Biology tutor
10867 Views

What do I do with the Hardy-Weinberg equation?

p 2 + 2 pq + q 2 = 1 It looks daunting at first but once you get the hang of them they can be easy marks in the exam. p is the frequency of the dominant allele in the population, and q is the frequency of th...
AS
Answered by Atalie S. • Biology tutor
8102 Views

How is RNA different to DNA?

There are a few key points you should remember. RNA has a ribose sugar instead of a deoxyribose sugar, RNA also has uracil instead of thymine, so uracil binds to adenine. The base pairings in RNA are G-C, A-...
AS
Answered by Atalie S. • Biology tutor
5035 Views

Name all food groups you should eat to have a balanced diet.

Carbohydrates, Fats, Protein, Fibre, Vitamins and Mineral ions.
MM
Answered by Matt M. • Biology tutor
4935 Views