Cellular Control

Question 1

Where are chromosomes found

Answer 1

Nucleus of cells

Contain strands of dna

Question 2

What do chromosomes exist as

Answer 2

Pairs in animals cells except for egg and sperm cells

Question 3

How many pairs of chromosomes do dogs have

Answer 3

39

Question 4

What are two functions of cell division

Answer 4

Growth and repair

Sexual reproduction

Question 5

What are genes

Answer 5

Short section of DNA that carries the genetic code for a particular characteristic or cell activity

Question 6

What do bases form within a gene

Answer 6

Triplet

Question 7

What does each triplet code for and what does the sequence of bases in genes do

Answer 7

Particular amino acid

Sequence of amino acids in polypeptide chain

Question 8

What do polypeptide chains make up

Answer 8

Proteins

Question 9

What are mutations caused by

Answer 9

Alteration to the base pairing sequence in the genetic code

Question 10

What is an example of mutation

Answer 10

No change in amino acid sequence in protein is called neutral

Silent mutation as no difference to proteins

Question 11

What can alterations to base pairings cause

Answer 11

Problems such as osteogenesis imperfecta

Brittle bones so dogs that have this disease will have an increased risk of injury and slow healing