What are the building blocks of proteins?
Amino Acids
What does DNA stand for?
Deoxyribonucleic Acid
What is the 2 x 2 square that is used to predict offspring genotypes?
Punnett Square
How many chromosomes are in a typical adult human?
46 (23 pairs)
What is full of holes but still holds water?
Sponge
What is the purpose of an enzyme?
Speed up chemical reaction
Where in the cell is DNA located?
Nucleus
Gregor Mendel used what type of plants to explore genetics?
Pea Plants
How many chromosomes are in a sperm or egg cell?
23
What kind of band never plays music?
Rubber Band
A codon is made up of how many DNA bases?
3
What is a mutation?
Change in DNA sequence
What does it mean if an organism is heterozygous?
They have a mixed genotype (Aa)
How many sperm or eggs are created after meiosis?
4 sperm/egg per round of meiosis
What can fill up a room but takes up no space?
Light
How many different amino acids are there?
20
Name 1 type of mutation
- Substitution (Point)
- Addition
- Deletion
What does it mean if an organism is homozygous?
They have the same genotype (AA or aa)
How does crossing over affect genetic diversity?
It creates new combinations/genetic diversity
What word is spelled incorrectly in every dictionary?
Incorrectly
How does a DNA mutation affect a protein?
Changes the amino acid sequence and then the whole protein changes
How does the double helix shape of DNA help it replicate?
It helps it unzip into 2 strands
What is codominance?
When 2 or more dominant traits are shown at the same time
What is the process called when a sperm and an egg merge?
Fertilization
A cowboy rides into town on Friday, stays 3 days, and leaves on Friday. How is this possible?