HSC Biology Module 5-6 Genetics Overview

Question 1

What is an advantage of internal fertilisation over external fertilisation?

Accepted Answer

It is better suited to terrestrial environments

Question 2

What is an advantage of internal fertilisation over external fertilisation?

Accepted Answer

It is better suited to terrestrial environments

Question 3

What feature of DNA was discovered as a result of Rosalind Franklin's Work?

Accepted Answer

Double Helix Shape

Question 4

T or F: The phases of mitosis are prophase -> metaphase -> anaphase -> telophase

Accepted Answer

False

Question 5

which hormone stabilises the uterus lining?

Accepted Answer

progesterone

Question 6

What is the role of mitosis?

Accepted Answer

Cell division for growth

Question 7

Which of the below are examples of the application of reproduction to animal agriculture?

Accepted Answer

crossbreeding, artificial insemination, IVF

Question 8

Which genotype below is heterosygous?

Accepted Answer

Tt

Question 9

This picture shows what form of reproduction?

Accepted Answer

budding

Question 10

SNP stands for

Accepted Answer

single nucleotide polymorphism

Question 11

hemoglobin is made up for 4 polypeptide chains. Hemoglobin's final structure is

Accepted Answer

Quaternary

Question 12

Why is the process of DNA replication so great?

Accepted Answer

it preserves genetic information, It makes theism more likely to be true

Question 13

How does a cochlear implant assist people with severe hearing loss?

Accepted Answer

Stimulates the auditory nerve

Question 14

What sort of graph is this?

Accepted Answer

line graph

Question 15

Which of the below is a correct statement about implantation in mammals?

Accepted Answer

It occurs in the endometrium of the uterus

Question 16

Which of the following describes daughter cells produced by mitosis?

Accepted Answer

2 genetically identical cells

Question 17

Birds mating to form an egg is an example of:

Accepted Answer

sexual repro, internal fertilisation

Question 18

T or F: exons are non-coding areas in a gene

Accepted Answer

False

Question 19

Which three processes lead to variation/variability within offspring?

Accepted Answer

Crossing over, Random segregation, sexual reproduction

Question 20

How many and what type of cells are produced during meiosis?

Accepted Answer

4 genetically different cells

Question 21

What is the main difference between sexual and asexual reproduction?

Accepted Answer

Sexual reproduction results in varied offspring

Question 22

Which of the following is true of a mutation that produces a dominant allele?

Accepted Answer

It will always be expressed in heterozygous individuals

Question 23

A change in the genetic makeup of a population due to chance is:

Accepted Answer

Genetic drift

Question 24

Colour blindness in humans is determined by a sex-linked gene. Two family trees are shown.

Accepted Answer

C

Question 25

Alternative forms of genes are called ...

Accepted Answer

alleles

Question 26

What would the mRNA code be built off this DNA sequence: TTCAG

Accepted Answer

AAGUC

Question 27

What is one of the main differences between eukaryotic cell and a prokaryotic cell?

Accepted Answer

Eukaryotes have a nucleus

Question 28

The number of people with brown hair is what sort of data?

Accepted Answer

Qualitative

Question 29

What is an example of external fertilisation?

Accepted Answer

Frog spawn

Question 30

The observable traits of an organism are its

Accepted Answer

phenotype

Question 31

What sort of trait is this most likely to be?

Accepted Answer

Autosomal dominant

Question 32

What does this image show?

Accepted Answer

a nucleotide

Question 33

What's the round orange thing hanging off this tRNA?

Accepted Answer

amino acid

Question 34

Which base triplet could code for the amino acid Tyrosine (Tyr)?

Accepted Answer

UAC

Question 35

Environment can affect phenotype by altering DNA sequence base. What is an example of this?

Accepted Answer

nuclear fallout from atomic bombs incr birth defects in pop

Question 36

What is the name of the process that enables organisms to maintain a relatively stable internal environment?

Accepted Answer

Homeostasis

HSC Biology Module 5-6 Genetics Overview

Questions 36

HSC Biology Module 5-6 Genetics Overview

Questions 36