Genetic Variation & Information Random Retrieval

This quiz contains all the questions in the Genetic Variation & Information section. The website will pick 20 questions at random.

1 / 20

Which of the following has contributed to the development of antibiotic resistant strains of bacteria?

Prescription of anibiotics for serious bacterial infections only.

Patients completing the full course of antibiotics.

Over prescription of antibiotics.

2 / 20

The Western Corn Rootworm has developed resistance to a protein pesticide found in transgenic crops. The protein no longer damages the digestive tract of the insect.

Physiological

Anatomical

Behavioural

3 / 20

True or false - The Founder Effect is a type of genetic bottle neck?

TRUE

FALSE

4 / 20

Which is an example of a Genetic Bottleneck?

Bounty hunters killing Florida Panthers almost to extinction, for a reward in the early 1900's.

A domesticated dog escaping, and breeding with wild dogs.

Two separated populations interbreeding.

5 / 20

Two of the above mutations will always cause a non functional protein. Why?

They add or remove an amino acid.

They alter both strands of the double helix.

They cause a frame-shift in the triplet code.

6 / 20

What type of mutation is this ? ACCTGG becomes ACGTGG

Addition

Substitution

Deletion

7 / 20

Is Anaphase 2 more similar to Anaphase 1, or Anaphase in mitosis?

More similar to Anaphase 1.

More similar to anaphase in mitosis.

8 / 20

As there are now 4 chromatids in each homologous pair, they are sometimes called what?

Tetrads

Quadrads

Quadrats

9 / 20

Before meiosis starts, the primary spermatocyte or oocyte replicates its chromosomes and organelles. What is this phase called?

Prophase

Anaphase

Interphase

10 / 20

What word do we use to describe the pairs of chromosomes?

Homologous Chromosomes

Homozygous Chromosomes

Sister Chromatids

11 / 20

As the mRNA is fed through the ribosome, complementary base pairing between the mRNA and tRNA mean that amino acids are lined up in a specific order. What level of protein structure is established here ?

Primary

Secondary

Tertiary

12 / 20

What molecule is made in prokaryotic transcription?

mRNA

pre-mRNA

tRNA

13 / 20

Which enzyme is used in transcription?

RNA Polymerase

DNA Polymerase

Helicase

14 / 20

Which is the true statement about DNA compared to RNA?

They are both double stranded.

They both use the same nucleotides

They are both made out of nucleotides, but RNA contains Uracil not Thymine.

15 / 20

What do H and h represent?

Different genes

Different Alleles

Different loci

16 / 20

On this diagram, what does B represent?

Sister Chromatids

Homologous Chromosomes

Loci

17 / 20

In an homologous pair of chromosomes, would alleles be...

Always homozygous ( two copies of the same form).

Always the same allele, but at different Loci.

Always heterozygous ( two copies but with different alleles).

Always at the same locus, but could be different alleles.

18 / 20

What is the proteome of a cell?

Only those proteins which are expressed (made) by a tissue.

The entire set of proteins that are expressed, or could be expressed by an organism.

Those proteins which could be expressed, but aren't.

The proteins which make up the physical structure of a cell.

19 / 20

What do we call a section of DNA which does not carry a code for a functional RNA or amino acid?

Introns

Exons

Variable Number Tandem Repeats

Promoter Sequences

20 / 20

True or False : The sex chromosomes ( X and Y) are an homologous pair?

TRUE

FALSE

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