B6 Inheritance, Variation and Evolution

Question 1

Define DNA

Answer 1

Shows us how to synthesis proteins. It is the smallest part of the nucleus.

Question 2

What shape is DNA?

Answer 2

Double Helix

Question 3

Define Genes

Answer 3

Chunks of DNA. Basic forms of inheritance. Tells us how much, when and where to make proteins.

Question 4

Define Chromosomes

Answer 4

Long strands of DNA wrapped around histones

Question 5

What does DNA stand for?

Answer 5

Deoxyribonucleic Acid

Question 6

Compare DNA to words in a recipes book, what does everything else represent?

Answer 6

Allele - Letters
DNA - Words
Genes - Steps
Chromosomes - Recipes 
Nucleus - Recipe Book

Question 7

What are the two types of proteins?

Answer 7

Functional Proteins

Structural Proteins

Question 8

Give a few types of functional proteins?

Answer 8

Haemoglobin

Digestive Enzymes

Question 9

Give a few types of structural proteins?

Answer 9

Keratin

Collagen

Question 10

What do we call it when both someone’s allele are the same?

Answer 10

Homozygous

Question 11

What do we call it when both someone’s allele are the different?

Answer 11

Heterozygous

Question 12

Where are your genes from?

Answer 12

In every pair of genes, one is from the mother and one is from the father

Question 13

Which allele will be exhibited by offspring?

Answer 13

Any more dominant traits

Question 14

What is a Punnett square?

Answer 14

A cross diagram (similar to a multiplication grid) that show the probability of a dominant allele from either parent being exhibited by an offspring