Genetic inheritance - part two - Edexcel test questions - Edexcel - GCSE Biology (Single Science) Revision

1

Which of these is a blood group?

ABC

AB

C

2

Why are more men red green colour-blind?

They are more likely to catch it

It is a sex-linked disorder

Men live longer

3

How many base pairs are in the human genome?

Four

20 thousand

Three billion

4

How have Friesian cows been created?

Selective breeding

Cloning

Genetic modification

5

Why have Highland cows been selectively bred?

For creamy milk

For their meat

For their ability to produce lots of milk

6

Which of these is a problem for selective breeding?

Requires scientific equipment

Expensive

Reduced variation

7

Which pair of chromosomes are called the sex chromosomes?

First

Twenty third

Forty six

8

How was Dolly the sheep created?

In vitro fertilisation

Cloning

Selective breeding

9

Which genotype gives the phenotype B for blood group?

I^BI^O

I^AI^A

I^AI^B

10

Which of these is the genotype for a baby girl?

XX

XY

YY