Body Cells

Question 1

Sperm Cells/Egg Cells

Answer 1

23 chromosomes

Question 2

Somatic/Body Cells

Answer 2

46 Chromosomes 23 pairs

Question 3

Genes

Answer 3

Are sections of DNA

Question 4

Dominant Characteristic

Answer 4

The Characteristics that can be observed in the appearance of the individual.

Question 5

Recessive Characteristic

Answer 5

The Characteristic that does not appear unless recessive alleles combine eg ff, rr, (small letters)

Question 6

Homologous Structures

Answer 6

Same basic structure

Question 6

Alleles

Answer 6

Variation of genes

Question 7

Similar structures

Answer 7

Common ancestor

Question 8

Bases in DNA

Answer 8

Adenine (A)
Thymine (T)
Guanine (G)
Cytosine (C)
Form rungs of rope ladder (middle of the ladder)

Question 9

Evolution

Answer 9

Genetic changes in characteristics over many generations

Question 10

Heterozygous
Heterozygous

Answer 10

Dominant and Recessive alleles presents e.g. Hh

Question 10

Natural Selection

Answer 10

Overproduction
Variation
Competition
Selection

Question 11

Natural Selection

Answer 11

Process where organisms best adapted to an environment will survive (Black Moth)

Question 11

Charles Darwin

Answer 11

Theory of Natural Selection Tortoises, Finches

Question 12

Homozygous
Homozygote

Answer 12

Both alleles the same e.g. HH or hh

Question 13

Embryology

Answer 13

Common ancecter eg gills to breath

Question 14

Geographic distribution of species

Answer 14

Part of the 5 Pieces of evidence for evolution