What is a nucleotide and is made of a phosphate, a sugar, and a base?
100
Made models to determine DNA structure.
Who are James Watson and Francis Crick?
100
A change in DNA sequence.
What is a mutation?
100
Two forms of a single gene.
What is an allele?
100
The physical appearance of an organism. Examples include green eyes, attached earlobes, curly hair.
What is phenotype?
200
A scientist maintains a group of retriever dogs by only mating retriever dogs together. This is an example of...
What is a selective breeding?
200
Chemist Rosalind Franklin's contribution to science.
What was creating x-ray images of DNA molecules?
200
Anything that causes a change in DNA sequence.
What is a mutagen? (xrays, uvrays, smoke, etc)
200
Mathematical chance an event will occur.
What is probability?
200
If brown fur is dominant to white fur in guine pigs, the chance the offspring will have white fur when the parents are homozygous dominant and homozygous recessive.
What is 0%?
300
The bases of DNA pair together in a particular order.
What is Adenine pairs with Thymine and Cytosine pairs with Guanine?
300
The images Rosalind Franklin took suggested DNA has a _________ shape.
What is a spiral or helix shape?
300
AATTCGCGA becomes AATTAGCGA.
What is Substitution?
300
The inherited combination of alleles is known as the offsprings (RR, Rr, rr).
What is genotype?
300
In rabbits, black fur is dominant over whiter fur. A heterozygous black rabbit is crossed with a homozygous white rabbit, the probability the offspring will be white.
What is 50%?
400
These form the chemical code within a molecule of DNA.
What is the arrangement of the nitrogen bases?
400
This scientist used pea plants to study how traits are passed from parents to offspring.
Who is Gregor Mendel?
400
AATCCGAGA becomes AATCCGGA
What is deletion?
400
The set of instructions an offspring receives from each parent.
What is a gene?
400
An example of homozygous recessive.
What is rr?
500
The complimentary strand to the orginal strand of ATCTATAAC
What is TAGATATTG?
500
Developed a square to determine the probability of alleles being passed from parents to offspring.
Who is Reginald Punnett?
500
The transferring of genes from one organisms to another.
What is genetic engineering?
500
When a trait hides or covers the expression of another trait.
What is dominant?
500
An organism that has two different alleles for a trait.