Exam 1

A  reproductive variance

B  hardy effect

C  sexual selection

D  genetic bottleneck

A  each cell type has its own unique DNA that is different from all other cells.

B  only specific genes for specific proteins are activated in specific cell types.

C  they are mentally manipulated by an organism to achieve specific characteristics.

A  heritable chart

B  punnett square

C  pedigree chart

D  none of the above

A  physics, biological, cultural, and linguistic.

B  archaeological, geological, geographical, and biological.

C  biological, archaeological, cultural, and linguistic.

D  cultural, linguistic, geological, and physical.

A  gene flow.

B  mutation.

C  the founder effect.

D  stabilizing selection.

A  genotype

B  recessive allele

C  allele frequency

D  phenotype

A  gene flow

B  genetic drift

C  recombination

D  natrual selection

A  a population bottleneck.

B  genetic drift.

C  gene flow.

D  founder effect.

A  Sexual selection

B  Natural selection

C  Gene flow

D  Genetic drift

A  energy production

B  protein synthesis

C  cytoplasmic

D  cell replication

A  microevolution

B  macroevolution

C  species split

D  speciation

A  TRUE

B  FALSE

A  extinction

B  a spontaneous population shift

C  a population bottleneck

D  natural selection

A  adapted organisms

B  evolved organisms

C  species

D  mutants

A  a full complement of chromosomes

B  extra chromosomes

A  They Don’t effect variation

B  they increase variation

C  They both increases and decreases variation

D  they decrease variation

A  a change in allele frequencies in a breeding population over time.

B  changes in the DNA of an individual over his or her lifetime.

C  the appearance of a new species.

D  a process that occurs only over extremely long periods of time.

A  Amino acids, and hydrogen bonds

B  Deoxyribose, phosphate and nitrogenous bases

C  Chromosome s and nuclein

A  dinosaurs

B  humans from a cultural perspective only.

C  pyrimids

D  humans from a biological perspective

A  gene migration.

B  genetic drift.

C  gene flow.

D  admixture.

A  Replication and protein synthesis

B  Replication and polymerase immersion

C  Translation and transcription

D  Replication and DNA construction

A  FALSE

B  TRUE

A  Both alleles have an equal probability of being passed down to the offspring.

B  When both alleles are present none of them will be passed down to the next generation

C  The dominant allele is more likely to be passed down.

D  The recessive allele is more likely to be passed down.

A  No since all traits are only controlled by one gene with two alleles.

B  None of the other responses are satisfactory answers.

C  Yes since all genes having to do with a trait always have the exact same influence on a trait.

D  No since different genes will exert varying degrees of influence on the trait

A  within a population, some variations are favored by environmental conditions and others are not

B  organisms transform and pass these transformations on to their offspring

C  none of the answers are satisfactory

D  all species are fixed

A  TRUE

B  FALSE

A  determined by more than one gene

B  determined by one gene

C  determined by one gene with multiple alleles

A  would be composed of an even blend of their parents’ characteristics.

B  would inherit characteristics that were acquired during their parents’ lifetimes.

C  did not inherit characteristics from their parents but acquired them through interaction with their environment.

D  changed genetically from their parents through the accumulation of random genetic mutations.

A  epigenes

B  nucleotide sequences

C  chromosome number

D  diploid and haploid numbers

A  structural

B  phenotypic

C  dominant

D  recessive

A  control which amino acids get plugged into polypeptide chains.

B  function only in fruit flies.

C  appear to function in similar ways across diverse groups of organisms.

D  control the development of language in humans.

A  TRUE

B  FALSE

A  controlled by a single gene

B  controlled by multiple genes

C  mentally manipulated

D  greatly manipulated by social factors

A  A hypothesis explains observations and cannot be refuted by new evidence.

B  A theory has been less thoroughly tested than a hypothesis.

C  A theory is an explanation based upon controversial facts.

D  A theory is an explanation that has been carefully examined and tested.

A  may share the same geographic area but are so phenotypically different that they never attempt to reproduce.

B  have their own unique phenotypes and are geographically isolated from one another, but are capable of successful interbreeding.

C  have their own unique phenotypes and are geographically isolated from one another, but if they do happen to encounter one another, they are still capable of interbreeding although their offspring are infertile.

D  are geographically isolated from one another, look alike, but are not capable of successful interbreeding.

A  TRUE

B  FALSE

A  created new species.

B  merely increased variation within populations.

C  resulted in new phenotype characteristics.

D  were rare and unlikely to occur.

A  is expressed in the phenotype alongside a dominant allele.

B  can never be expressed in the phenotype.

C  can always be determined from the phenotype.

D  can be masked in the phenotype.

A  traits inherited from each parent blended together in the offspring.

B  peas were a poor choice for understanding basic hereditary principles.

C  DNA was the molecule carrying the genetic code.

D  traits are passed on from parent to offspring as discrete units.

A  Natural selection does not deal with diseases and as a result this scenario is not possible.

B  Diseases typically attack individuals and not populations.

C  Being the same makes everybody stronger since they are pure blooded and as a result are more likely to survive.

D  A disease that kills one individual is likely to kill everybody else.

A  gene flow, mutations, chromosomes, and genes.

B  mutations, genes, and genetic drift.

C  natural selection, genes, alleles, and chromosomes.

D  natural selection, gene flow, genetic drift, and mutations.

A  your mind

B  chains of amino acids.

C  ribosomes

D  genes.

A  heterozygous genes

B  locus

C  gene variants

D  homozygous genes

A  21,000 genes

B  30,000 genes

C  3 billion genes

D  100,000 genes

A  TRUE

B  FALSE

A  sperm are more powerful than eggs.

B  the Y chromosome is present in males only.

C  the X chromosome determines sex.

D  the X chromosome originates only from females.

A  the observable traits that are produced by a genotype

B  the entirety of an individual organism’s genome

C  the entire collection of genetic material in a breeding community that can be passed on from one generation to the next

D  pools of water that attract organisms and encourage mating

A  mitochondria

B  tRNA

C  DNA

D  sodium

A  recessive traits

B  polygenic inheritance

C  Mendelian inheritance

D  codominance