Human Biology Terminology

Question 1

Dominant

Answer 1

Having the power and influence over the other gene.

Question 2

Recessive

Answer 2

A gene only heritable when no dominant gene is present.

Question 3

Allele

Answer 3

Each of the two or more alternative forms of a gene that arise from mutation and are found at the same place on a chromosome.

Question 4

Phenotype

Answer 4

The set of observable characteristics of an individual.

Question 5

Genotype

Answer 5

The set of genes in the DNA which is responsible for particular traits.

Question 6

Theory of Evolution

Answer 6

Process by which organisms change over time as a result of changes in heritable physical or behavioural traits.

Question 7

Natural selection

Answer 7

Process which organisms better adapt to their environment tend to survive and produce more offspring.

Question 8

Adaption

Answer 8

Feature that’s common in a population because it provides some improved function or fitness.

Question 9

Mutation

Answer 9

Permanent alteration in the DNA sequence that make up a gene.

Question 10

Fitness

Answer 10

Ability to survive at a reproductive age, find a mate and produce offspring.

Question 11

Bipedal

Answer 11

An organism that walks on 2 legs.

Question 12

DNA

Answer 12

Deoxyribonucleic acid is a double helix stranded molecule that holds our genetic codes.

Question 13

DNA (Structure)

Answer 13

Sugar phosphate backbone.

Nitrogen based pairs (nucleotides).
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