Genes
DNA
Recessive or dominant?
DNA, Genes and mutations
More about genes
100
different versions of a gene
What is an Allele
100

What is the shape of DNA

double helix

100

Capital letters represent _________ genes, and lower case letters represent __________genes. 

dominant/recessive

100

A combines with...

T

100

What does "C" stand for?

Cytosine

200
segments of DNA in chromosomes that give instructions to produce a certain characteristics
What is a gene?
200

What does "G" stand for?

guanine

200

YES or NO: Rr would present with red hair?

No

200

Approximately how many genes does a human have?

80,000

200
A change on a piece of DNA
Mutation
300
carrier of genetic information, found in the nucleus or cytoplasm of cells
What is DNA
300

how many chromosomes do humans have?

23 pairs (46)

300

Chance of red hair?

Rr and RR

0%

300

Spell DNA

Deoxyribonucleic Acid
400
 It carries genes and is a part of DNA
What is a Chromosome
400

The small segments of DNA on a chromosome.

Genes

400

Chance of blue eyes?

Bb and bb

50%

400

True or False: XY is male?

True

500

The passing of genetic material from parent to offspring

What is heredity

500

What make up the sides of a DNA ladder?

phosphate and sugar

500

Chance of blue eyes?

Bb and Bb

25%

500
building block of DNA made of a sugar, phosphate and a base
nucleotide
M
e
n
u