VOCABULARY
Q: A two-part naming system that uses genus and species
A: What is binomial nomenclature?
Q: karyotype shows three copies of chromosome 21
A: What is down syndrome?
Q: The reason behind why binomial nomenclature is preferred over common names in scientific communication
A: What is to avoid confusion by giving each species a unique universal name?
Q: The diagram that is used to predict the possible genotypes of offspring in a genetic cross
A: What is a punnett square
Q: A molecule carries genetic information in all living organisms
A: What is DNA?
Q: A word that describes having two identical alleles for a trait
A: What is homozygous?
Q: The seven levels of classification
A: What is Kingdom, Phylum, Class, Order, Family, Genus, and Species?
Q: A heterozygous × heterozygous cross produces, the phenotypic ratio for a dominant trait would be.
A: What is 3:1?
Q: A tool is used to identify an unknown organism by making a series of either/or choices based on traits
A: What is a dichotomous key?
Q: The kingdom that includes unicellular eukaryotes such as amoebas and paramecia
A: What is protista
Q: A term that describes organisms that share a most common recent ancestor and all of its descendants
A: What is a Clade?
Q: The key similarities between eubacteria and archaebacteria
A: What is both are prokaryotic, single-celled organisms that reproduce asexually
Q: A pedigree shows a trait that appears mostly in males, skips generations, and is never passed from father to son. Identify the inheritance pattern.
A: What is X-linked recessive.
Q: In a bacterial growth experiment, what is the dependent variable if the student measures the number of colonies formed?
A: What is the number of bacterial colonies?
Q: Describe ONE PIECE of evidence that supports the endosymbiotic theory.
A: What is mitochondria and chloroplasts have their own DNA and double membranes?
Q: A term that describes a genetic condition in which homologous chromosomes fail to separate during meiosis
A: What is non-disjunction?
Q: The role of the most common recent ancestor (MCRA) in a Phylogenetic trees/cladograms
A: What is represents the youngest, most recent node from which a group of lineages (taxa) directly descends?
Q: A bacterial population is exposed to a pesticide. After many generations, most bacteria survive exposure, due to.
A: What is mutation, natural selection, and reproduction.
Q: A scientist finds a new unicellular organism that lacks a nucleus but has a cell wall. Into which domain and kingdom should it be classified?
A: What is Domain: Bacteria, Kingdom: Eubacteria?
Q: A bacteriophage enters a lysogenic cycle and later switches to a lytic cycle. Explain what triggers this switch and what happens to the host cell.
A: What is Environmental stress?
eg:UV radiation
Chemicals
Lack of nutrients
Damage to the bacterial DNA