Punnett Squares and Pedigree
How many possible genotypes are there for every punnett square?
4
What is the shape of DNA?
Double helix
What are the three types of biotechnology we discussed?
Artificial Selection
Genetic Engineering
Cloning
___________ is the mathematical chance of a specific outcome in relation to the total number of possible outcomes.
Probability
When are copies of DNA made?
before cell division
If both parents have the recessive trait, cc, what must the offspring have as there genotype
cc (recessive trait)
What are the four nucleotides used in DNA.
(A)denine
(T)hymine
(C)ytosine
(G)uanine
What is an example of Artificial selection
Breeding dogs for a certain allele
Any other valid answer
A base, a sugar, and a phosphate group make a building block of DNA known as a ____________.
Nucleotide
Who are the two scientists that put together the large 3D scale of DNA?
Watson and Crick
What is a carrier of a trait?
Someone who can pass the allele for the trait down but does not have it themselves.
What are the three types of mutations?
insertion
deletion
substitution
Introducing a gene to DNA that makes a fish glow is an example of which type of biotechnology?
Genetic Engineering
A ___________ is a cell organelle made of rRNA and protein.
ribosome
What is the difference in capital and lower case letters in a genotype.
Capital: Dominant allele
lower case: recessive allele
How many generations are shown in the pedigree chart drawn on the board.
2
What is the name of taking DNA information and copying it onto messenger RNA?
Transcription
What is an example of cloning being used?
When scientists duplicate DNA found at crime scenes.
______________ is the process of selecting and breeding organisms that have certain desired traits.
Artificial Selection
What is the other half of this DNA strand: AAA-CCC-GGG-TTT
TTT-GGG-CCC-AAA
What are the ratio and percentage of black fur guniea pigs in a Bb x bb cross where B is black and b is brown.
2:4
50%
What molecules are involved in Translation
mRNA
tRNA
rRNA (ribosomes)
Why do we not clone humans?
It is ethically wrong.
____________ is the process in which a piece of DNA is modified for use in research, medicine, agriculture, or industry.
Genetic Engineering
How many bases make up an amino acid
3