Chapter 1 - BREEDING & VARIATION

Question 1

Asexual Reproduction

Answer 1

only one parent, so all the genes from that parent go to the offspring

Question 2

Chromosomes

Answer 2

are lengths of dna that are present in sex cells, which are copied and passed down to the offspring

Question 3

genes

Answer 3

are parts of chromosomes with a special pattern of dna, which give a code that builds a certain type of body cell

Question 4

selective breeding

Answer 4

humans deliberately choosing two animals or plants to breed together to create offspring with desirable characteristics

Question 5

fertilisation

Answer 5

a male and female sex cell join together

Question 6

inherited characteristics

Answer 6

a feature that is passed down from parents to their offspring

Question 7

clones

Answer 7

offspring that is genetically identical to it’s parent, because of asexual reproduction

Question 8

asexual reproduction

Answer 8

only one parent is involved, so all of the genes from that parent go to the offspring

Question 9

environmental variation

Answer 9

means differences that are caused by something after the offspring was born

Question 10

variation

Answer 10

differences between plants or animals of the same species

Question 11

characteristics

Answer 11

particular features of plants or animals