What Is A Gene?

Question 1

What is a gene?

Answer 1

A gene is a section of a chromosone that codes for a particular characteristic.

Question 2

How many forms of a gene do we ingerit and from who?

Answer 2

2 forms from your mum and dad.

Question 3

What is the name of each form of a gene?

Answer 3

An allele

Question 4

What is an allele

Answer 4

An allele is a form/different version of a specific gene.

Question 5

What are the two types of alleles?

Answer 5

Dominant and recessive alleles.

Question 6

What is a homozygous allele?

Answer 6

It is when an individual has two identical allels e.g. BB, TT or even tt, bb. This is called homozygous allels

Question 7

What is a hetrozygous allele

Answer 7

A hetrozygous allele is when an allele is Bb, Tt. It is when an individual has two different allels.

Question 8

What is a genotype

Answer 8

A genotype describes the allels of an individual e.g Bb Tt, Ss, ss….

Question 9

What is a phenotype?

Answer 9

A phenotype describes the observable characteristics, physical appearance of an individual e.g brown eyes, tall, curly hair…