Genetics

Question 1

Define allele

Answer 1

Different form of a gene

Question 2

Define gene

Answer 2

Section of DNA that codes for traits

Question 3

Define DNA

Answer 3

Deoxyribonucleic acid

Chain of nucleotides

Chemical carrier of genetic info

Question 4

Define nucleotide

Answer 4

DNA
A + T
G + C
All have same nucleotides but different order

Question 5

Define chromosome

Answer 5

Structure of DNA
46 chromosomes
23 pairs one from each parent

Question 6

What is meiosis

Answer 6

Cell division in sex cells
One cell becomes four
23 chromosomes in sex cell
Meiosis I and meiosis II

Question 7

Dominant genotype

Recessive genotype

Answer 7

Overpowering

Only shows if two of them

Question 8

Define genotype

Define phenotype

Answer 8

Coding for phenotype

Physical trait determined by genotype

Question 9

Define codominance

Define incomplete dominance

Answer 9

Genotype either dominant or recessive

Both dominant, result in mix colour

Question 10

Define somatic cell

Answer 10

All cells except for sex cell

Sex cell determine gender

Question 11

What is homozygous and heterozygous

Answer 11

Homozygous = two of the same alleles 
Heterozygous = two different alleles