Inheritance

Question 1

What is phenotype?

Answer 1

The physical appearance of the characteristic

Question 2

What is genotype?

Answer 2

The genetic make up of the characteristic

Question 3

The word to describe “both alleles are the same”?

Answer 3

Homozygous

Question 4

The word to describe “both alleles are different”?

Answer 4

Heterozygous

Question 5

“Recessive allele”?

Answer 5

Controls the development of
characteristics only if the dominant allele is
not present.

Question 6

“Dominant allele”?

Answer 6

Controls the development of a
characteristic when it is present on only one
of the chromosomes

Question 7

What is the advantage of sexual reproduction and why?

Answer 7

Gives rise to variation.

Gametes fuse –> One of each pair of alleles come from each parent.

Question 8

What are chromosomes made up of and which structure does it have?

Answer 8

Large molecules of DNA.

Double helix structure.

Question 9

What is a gene and what does each gene code for?

Answer 9

A gene is a small section of DNA.
A particular combination
of amino acids which make a specific protein.

Question 10

What is the use of DNA fingerprinting?

Answer 10

Identifying individuals.