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WorksheetsGenes and all that
Total questions: 12
Worksheet time: 6mins
They are made of a chemical called DNA
Organisms
Genes
Traits
Cells
All our body cells contain this chemical
Chromosomes
Sulphuric acid
DNA
Proteins
We humans get 23 of these from our mum and 23 from our dad
Chromosomes
Genes
Brain cells
These tell a cell how to function e.g. be a brain cell, be a heart cell, be a lung cell
Traits
Chromosomes
Genes
It is a very thin, very very long molecule made of four proteins
Oxygen
Chromosomes
DNA
Genes
A trait is..
Something you are good at, like drawing or gymnastics
A characteristic about you, such as the color of your eyes or hair, or your height
Something healthy to eat
These control inherited traits like, for example, skin colour and if we can roll our tongue
Genes
Chromosomes
Cells
We have around 50, 000, 000, 000, 000 of them
Genes
Chromosomes
Cells
Traits
If a trait controlled by a gene (or genes) is dominant, this means
It is hidden and doesn´t show
It shows (like brown eyes or being able to roll your tongue, for example)
It fights other genes and destroys them
We share 99.5 per cent of our DNA with ...
Chimpanzees
Bananas
Other human beings
Rhesus monkeys
We share 98.5 per cent of our DNA with ....
Other humans
Chimpanzees
Rhesus monkeys
All other mammals
A mutation is...
An identical copy of a gene
An error made when the protein sequence in DNA is copied
An unhealthy gene
