Genetics

Question 1

Genotypes

Answer 1

How to write the genes someone has - Eg. AO

Question 2

Phenotypes

Answer 2

Phenotype characteristics and what they are. I.E AO - Blood type A.

Question 3

Heterozygous

Answer 3

When someone has two different alleles of a gene. I.E Bb

Question 4

Homozygous

Answer 4

When someone has the same two alleles of a gene. I.E bb

Question 5

Dominant gene

Answer 5

When a gene overrules a recessive allele. I.E BB or Bb

Question 6

Recessive gene

Answer 6

When a gene is overruled by a dominant gene. I.E ee

Question 7

Homozygous Dominant

Answer 7

AA

Question 8

Homozygous Recessive

Answer 8

aa

Question 9

Heterozygous Dominant

Answer 9

Aa

Question 10

Tt -> TT -V (Punnet Square)

Answer 10

-> TT, Tt. -V TT, Tt

Question 11

What is a pedigree?

Answer 11

A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next.

Question 12

DNA Structure

Answer 12

Backbones, hydrogen bonds, nitrogen bases (Guanine, cytosine, ademine, thymine)

Question 13

ATT CGT ATA TAG

Answer 13

TAA GCA TAT ATC

Question 14

Ademine and Thymine

Answer 14

2 Hydrogen bonds

Question 15

Cytosine and Guanine

Answer 15

3 Hydrogen bonds

Question 16

Backbone (DNA)

Answer 16

Phosphates and Sugars