genetics

Question 1

How many chromosome pairs are there?

Answer 1

23

Question 2

How many autosome pairs are there?

Answer 2

22

Question 3

How any sex chromosomes are there?

Answer 3

1

Question 4

How many copies from each pair is inherited from each parent?

Answer 4

1 copy from each pair

Question 5

What is the shape of DNA?

Answer 5

Tightly rolled double helix

Question 6

DNA is the backbone of…

Answer 6

Sugar and phosphate

Question 7

What are the 4 bases of DNA?

Answer 7

Adenine
Thymine
Cytosine
Guanine

Question 8

What pair is Adenine always with?

Answer 8

Thymine

Question 9

What pair is cytosine always with?

Answer 9

Guanine

Question 10

What pair is T always with?

Answer 10

A

Question 11

What pair is G always with?

Answer 11

C

Question 12

DNA duplicates during…

Answer 12

Cell division (mitosis) into a diploid number or chromosomes

Question 13

What is meiosis?

Answer 13

The division of gametes (sex cells) which are termed as haploid

Question 14

What are 3 roles of DNA?

Answer 14

Storing information
Passing on of information to the next generation
Allows for changes when required

Question 15

Genes are made up of sections of..

Answer 15

DNA

Question 16

What is the area on a chromosome called where the gene is located?

Answer 16

Locus

Question 17

What is the alternative form of the same gene called?

Answer 17

Allele