Exam 1

A  sexual selection

B  reproductive variance

C  genetic bottleneck

D  hardy effect

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  punnett square

B  pedigree chart

C  heritable chart

D  none of the above

A  cultural, linguistic, geological, and physical.

B  physics, biological, cultural, and linguistic.

C  archaeological, geological, geographical, and biological.

D  biological, archaeological, cultural, and linguistic.

A  the founder effect.

B  stabilizing selection.

C  mutation.

D  gene flow.

A  genotype

B  phenotype

C  allele frequency

D  recessive allele

A  natrual selection

B  genetic drift

C  gene flow

D  recombination

A  genetic drift.

B  founder effect.

C  a population bottleneck.

D  gene flow.

A  Genetic drift

B  Sexual selection

C  Natural selection

D  Gene flow

A  cell replication

B  energy production

C  protein synthesis

D  cytoplasmic

A  macroevolution

B  speciation

C  microevolution

D  species split

A  TRUE

B  FALSE

A  natural selection

B  extinction

C  a population bottleneck

D  a spontaneous population shift

A  adapted organisms

B  evolved organisms

C  mutants

D  species

A  a full complement of chromosomes

B  extra chromosomes

A  They both increases and decreases variation

B  they decrease variation

C  They Don’t effect variation

D  they increase variation

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

B  the appearance of a new species.

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

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

A  Deoxyribose, phosphate and nitrogenous bases

B  Chromosome s and nuclein

C  Amino acids, and hydrogen bonds

A  pyrimids

B  humans from a cultural perspective only.

C  dinosaurs

D  humans from a biological perspective

A  genetic drift.

B  admixture.

C  gene flow.

D  gene migration.

A  Translation and transcription

B  Replication and protein synthesis

C  Replication and DNA construction

D  Replication and polymerase immersion

A  TRUE

B  FALSE

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

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

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

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

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

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

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

D  None of the other responses are satisfactory answers.

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

B  none of the answers are satisfactory

C  organisms transform and pass these transformations on to their offspring

D  all species are fixed

A  TRUE

B  FALSE

A  determined by one gene with multiple alleles

B  determined by more than one gene

C  determined by one gene

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

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

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

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

A  nucleotide sequences

B  epigenes

C  diploid and haploid numbers

D  chromosome number

A  phenotypic

B  recessive

C  dominant

D  structural

A  control the development of language in humans.

B  control which amino acids get plugged into polypeptide chains.

C  function only in fruit flies.

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

A  TRUE

B  FALSE

A  controlled by multiple genes

B  controlled by a single gene

C  mentally manipulated

D  greatly manipulated by social factors

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

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

C  A theory is an explanation based upon controversial facts.

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

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

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

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

D  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.

A  TRUE

B  FALSE

A  created new species.

B  resulted in new phenotype characteristics.

C  merely increased variation within populations.

D  were rare and unlikely to occur.

A  is expressed in the phenotype alongside a dominant allele.

B  can always be determined from the phenotype.

C  can never be expressed in the phenotype.

D  can be masked in the phenotype.

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

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

C  DNA was the molecule carrying the genetic code.

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

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

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

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

D  Diseases typically attack individuals and not populations.

A  mutations, genes, and genetic drift.

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

C  natural selection, genes, alleles, and chromosomes.

D  gene flow, mutations, chromosomes, and genes.

A  genes.

B  ribosomes

C  chains of amino acids.

D  your mind

A  heterozygous genes

B  gene variants

C  locus

D  homozygous genes

A  3 billion genes

B  100,000 genes

C  21,000 genes

D  30,000 genes

A  FALSE

B  TRUE

A  sperm are more powerful than eggs.

B  the Y chromosome is present in males only.

C  the X chromosome originates only from females.

D  the X chromosome determines sex.

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

B  the entirety of an individual organism’s genome

C  the observable traits that are produced by a genotype

D  pools of water that attract organisms and encourage mating

A  DNA

B  tRNA

C  mitochondria

D  sodium

A  codominance

B  recessive traits

C  Mendelian inheritance

D  polygenic inheritance