Genetics
Factors that control traits are called ________.
What are genes?
The two main stages of cell division
What are mitosis and interphase?
DNA is copied during a process called _______.
What is replication?
The original source of energy in most ecosystems
What is the sun?
Cancer cells form masses called __________
What are tumors?
When both alleles are dominant.
What is codominance?
Small cells are more efficient doing these two things.
What are moving needed materials in and waste products out?
The three types of RNA molecules and their functions
mRNA - brings the message from nucleus to ribosome
tRNA - attaches the amino acid sequence
rRNA - helps keep mRNA attached to ribosome for translating
The way an organism uses the range of physical and biological conditions in which it lives.
What is an organism's niche?
An organisms physical appearance
What is phenotype?
An organisms genotype is its ________.
What is genetic makeup?
DNA is replicated during this stage.
What is synthesis or S phase?
The nucleotides found in DNA
What are adenine, thymine, guanine, cytosine?
A limiting factor on the sea otter population
What is disease?
A 9:3:3:1 phenotypic ratio is characteristic of this
What is a dihybrid cross?
Unlike mitosis, meiosis in male mammals results in the formation of this.
What is four haploid gametes cells?
This is what makes plant cell division different from animal cell division.
What is a cell plate?
This makes translation stop.
What is a stop codon?
A density-independent factor
What is a natural disaster?
Traits controlled by two or more genes
What are polygenic traits?
Having more than two possible alleles for one trait.
What is multiple alleles?
During normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells, each containing ______ chromosomes.
What is four?
This nucleotide is found in RNA but not DNA
What is uracil?
The three main classes of symbiotic relationships and examples of each.
What is parasitism (tapeworm), commensalism (bird in tree), and mutualism (bacteria in our gut)?
Transcription happens in _______________ while translation happens in ______________.
What is the nucleus and cytoplasm/ribosome?