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Test your basic knowledge |
CSET Genetics And Evolution
Start Test
Study First
Subjects
:
cset
,
science
,
genetics
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
Germ
tRNA
Mendel's traits are now called _____ found on DNA
Heritable variation
2. DNA is made of...
restriction enzyme
Histone
nucleotides
Sub - species
3. Form of reproductive isolation in which two populations reproduce at different times
Autosomes
Gene mutation
Analogous Structures (analogies)
Temporal Isolation
4. Identical alleles for a gene
Homozygote
Precambrian era
cytoplasm
Bottleneck Effect
5. A type of barrier between species; the species remain isolated because male and femal gametes of the different species cannot fuse - or they die before they unite.
Gametic
deoxyribonucleic acid
stop codon
Selection
6. Is found in DNA
thymine
Adaptation
Igneous and metamorphic rock
Environment
7. Nucleotides that control which amino acids are added during protein synthesis
Codon
genes
Comparative embryology
Mesozoic era
8. Trait evolves overtime; NO common ancestry
Deme
If you lose one then you will still have one to back you up.
analogous (Evolution Evidence)
Recombination
9. Gradual evolution within a lineage
Sequential Evolution
Speciation
Comparative Anatomy
homologous (Evolution Evidence)
10. Change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
true
Translocation
Recessive
Monohybrid Cross
11. Name for oism with one dominant and one recessive allele
deoxyribonucleic acid
Comparative Embryology
Parallel Evolution
Heterozygous
12. Two alternative forms of a gene e.g Tall vs Short
Geographical Isolation
Chiasma
Alleles
Hominid
13. The evolutionary process by which a species becomes better suited to its niche.
Codon
Biogeography
Ecological Barrier
Adaptation
14. The specific location of a gene on a chromosome
Gene
GATTACA
embryological evidence
Locus
15. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Stabilising
Directional Selection
Habitat
Founder effect
16. The final product of transcription is...
Adaptation
mRNA
deoxyribonucleic acid
Cytosine
17. A change in the base sequence of a gene
Stabilising selection
Evolution
Homozygote
Gene mutation
18. The study of the structures of different organisms - looking at homologous parts
Mass Extinction
Vestigial structure
Comparative Anatomy
Reproductive Isolation
19. Which type of Rna functions as a blue print of the genetic code
mRNA
Environment
transcription
its negative charge
20. A process that results in an allele having a different probability of remaining in the gene pool compared with that of another allele
Ecological (habitat) Isolation
Phenotype
Gene flow
Selection
21. Selection for the ability to obtain a mate
Sexual Selection
Immigration
Balanced Polymorphism
Gene Pool
22. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti
Meiosis
clinC
vestigial (Evolution Evidence)
Isolating Mechanism
23. Uses metamorphic or igneous rock - calculates the age of an object by assessing the amount of radioactive element still present in the organism. Radioactive elements are slowly lost over time because of decay.
Guanine
Absolute dating
Species
chromatin
24. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Gene Pool
Molecular biology
Cast
Dominant
25. Ribosomes are made of...
Guanine
rRNA
Population
Hershey and Chase
26. Earth's history organized into four eras: Precambrian - Paleozoic - Mesozoic - and Cenozoic
Nucleotide
Sexual Selection
chromatin
geologic time scale
27. Trait where heterozygous is a blending of two alleles
Thymine
NIche Isolation
Sexual Selection
Genotype
28. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
transcription
Stabilising selection
RNA polymerase
Gene Pool
29. Large - scale evolutionary changes that take place over long periods of time
Reproductive Isolation
Macroevolution
Behavioral (ethological) Isolation
Adaptive Radiation
30. Term used to refer to an organism that has two different alleles for the same trait. e.g Tt is the heterozygous genotype for Tall.
Vestigial structure
Guanine
Heterozygous
Mendel's traits are now called _____ found on DNA
31. What is one benefit for having two strands of DNA?
translation
If you lose one then you will still have one to back you up.
nucleotide
rRNA
32. The banding pattern of a persons DNA after being cut and run on gel is called
Industrial Melanism
Ring Species
DNA fingerprint
Genotype
33. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Comparative anatomy
DNA fingerprint
Stabilising
Industrial Melanism
34. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Chiasma
Environment
If you lose one then you will still have one to back you up.
Mate Selection
35. T or F If a nucleic acid contain uracil it is DNA
Recombination
False RNA
Comparative embryology
Coevolution
36. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
Mitosis
Population
Analogous Features
Sex Chromosomes
37. Transcrition occurs in the...
Allele Frequency
Testcross
Punnett Square
nucleus
38. The type of environment in which an organism or group normally lives or occurs
homologous (Evolution Evidence)
Habitat
Evo Devo
Divergent Evolution
39. Deoxyribonucleic acid carries the genetic code for the proper functioning of an organism. It is composed of 5 carbon sugar (deoxyribose) four bases Adenine - Thymine - Cytosine and Guanine. the sugar is bonded to a phosphate group. This forms a long
Crossing over
DNA
Cytosine
Dihybrid
40. The capacity of an individual of certain genotype to reproduce. It is usually equal to the proportion of the individual's genes in all the genes of the next generation
Fitness
Centromere
Test Cross
Somatic
41. Evolution of living things - based on evidence from the past and present.
Locus
Founder Effect
Mechanical (morphological) Isolation
Organic Evolution
42. Breeding organisms with specific traits in order to produce offspring with identical traits
proteins
Artificial selection
homologous (Evolution Evidence)
Independent assortment
43. Structures in different but related species that are derived from the same ancestral structure but now serve different purposes.
gel electrophoresis
Homologous Structures
Migration
Monohybrid Cross
44. One of the identical rods of a chromosome.
Codon
Comparative embryology
Chromatid
RNA polymerase
45. It is the time from when the Earth formed and simple life - forms evolved (and it is the longest era)
Precambrian era
analogous (Evolution Evidence)
Fossil
Gene flow
46. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Haploid/Monoploid
Convergent Evolution
restriction enzymes - sticky ends
cytosine in DNA is about equal to the percentage of guanine molecules
47. When competition causes two closely related species to become more different in regions where their ranges overlap
Directional Selection
Character Displacement
Balanced Polymorphism
Sequential Evolution
48. The reduction of a population - typically by a natural disaster - such that the surviving population is no longer genetically representative of the original population.
Population
Monophyletic
Bottleneck Effect
Industrial Melanism
49. Speciation preceded by a period of geographical isolation
Stasis
Hybrid
Common Ancestor
Allopatric Speciation
50. Innate trait; shared ancestry
Autosomes
homologous (Evolution Evidence)
Ice
vestigial (Evolution Evidence)