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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. The signal on a mRNA molecule that designates the end of the coding sequence is called the...
cytoplasm
Industrial Melanism
Mutation
stop codon
2. Trait where heterozygous is a blending of two alleles
Genotype
replication
Niche
Adaptation
3. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Genetic Drift
Genetic Equilibrium
Ring Species
The cell uses information from mRNA to produce proteins
4. An evolutionary 'branch' and its daughter 'twigs'
Ring Species
Clade
Somatic
False genes
5. 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
Germ
Sex Chromosomes
Meiosis
Allele Frequency
6. Used x ray cyrstallography to create an image of DNA
Genotype
its negative charge
Rosalind Franklin
molecular evidence
7. The final product of transcription is...
Temporal Isolation
Medel worked with _____
mRNA
Deletion
8. Condition in which an organism has extra sets of chromosomes
Species
Chromatid
Polyploidy
gel electrophoresis
9. 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
Gene frequency
Fossil
that is complementary to a single strand of DNA
Fitness
10. Heteros have a phenotype tintertmediate b/t phenotypes of the 2 homoz
Gene mutation
Incomplete Dominance
thymine
Founder Effect
11. A unique combination of traits that are passed down from one generation to another.
Industrial Melanism
Dihybrid
Heritable variation
Mitosis
12. Is the evolutionary process whereby a population becomes better suited to its habitat
Haploid/Monoploid
Independent assortment
Adaptation
Organic Evolution
13. How often a particular gene occurs in the population
Gene frequency
Mutation
molecular evidence
Allele
14. Large - scale evolutionary changes that take place over long periods of time
Mendel's Principle of Segregation
Founder effect
Macroevolution
Gamete Isolation
15. The specific location of a gene on a chromosome
Natural Selection
Hominid
Microevolution
Locus
16. Ribosomes are made of...
Mesozoic era
rRNA
Relative dating
Crossing over
17. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Guanine
Deme
Vestigial organs
Nucleotide
18. Era of recent life that began about 66 million years ago and continues today; includes the first appearance Hominids
Cenozoic era
cytosine in DNA is about equal to the percentage of guanine molecules
Translocation
Selection pressure
19. Any indirect evidence of life preserved as an impression in rock; trails - footprints - tracks - burrows - and bite marks
trace fossils
clinC
Homozygous
Germ
20. A DNA double helix is held together in the center by between nitrogenous bases
Homologous Structures
Fossil
RNA polymerase
hydrogen bonds
21. Actual remains of an organism such as bones - teeth - shells - etc.
Gamete Isolation
Nucleotide
Niche
body fossils
22. A process where the organisms that have traits that aid in its survival (adaptive traits) will reproduce to pass that trait to futher generations thus increasing the frequency of that trait in the population. Vice versa traits that reduce the chance
Hominid
Ring Species
Dihybrid
Natural Selection
23. Form of reproductive isolation in which tere are differences in species courtship behavior
Recessive
Behavioral (ethological) Isolation
Industrial Melanism
Ecological Barrier
24. Form of reproductive isolation in which two populations reproduce at different times
Temporal Isolation
Homozygote
Stabilising
Phylogeny
25. The preserved remains or traces of an organism that lived in the past
Homozygote
Selection
Balanced Polymorphism
Fossil
26. Transcrition occurs in the...
Vestigial organs
Convergent Evolution
nucleus
proteins
27. Any agent that can cause a change in DNA
Mutagen
transcription
Endemic
replication
28. A geographic gradient in the extent to which a character is developed in a species
Stabilising
chromatin
Organic Evolution
clinC
29. When competition causes two closely related species to become more different in regions where their ranges overlap
Artificial selection
vestigial (Evolution Evidence)
Character Displacement
Cast
30. A distinct population of a species that varies from other populations of the same species.
Species
Sub - species
Comparative embryology
ribose - phosphate - and a base
31. A small simple structure (as a fertilized egg) from which new tissue can develop into a complete organism. It is also a cell
homologous (Evolution Evidence)
cytosine in DNA is about equal to the percentage of guanine molecules
Pentadactyl limb
Germ
32. When F1 is fully fertile but F2 has low fertility (rice - cotton)
Paleozoic era
Comparative anatomy
Hybrid Breakdown
Centromere
33. Another term for pure breeding
Homozygous
Gene Flow
mRNA
Heterozygous
34. Structure present in an organism however does NOT have a known function. May link organisms with similar vestigial structures. Example: appendix - coccyx bone - whale leg bones.
Deletion
Fossils
Incomplete Dominance
Vestigial structure
35. The movement of individuals into an area
Chromatid
Genotype
Gene pool
Immigration
36. An episode of large - scale extinction affecting many different groups of organisms within a short period of time
Mass Extinction
Mechanical (morphological) Isolation
Adaptation
rRNA
37. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Microevolution
Haploid/Monoploid
ribose - phosphate - and a base
Sedimentary Rock
38. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
mRNA
Homologous pair
Duplication
Evolution
39. A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Mendel's traits are now called _____ found on DNA
index fossil
Locus
Chromatid
40. The region of the chromosome that holds the two sister chromatids together during mitosis
Clade
Adenine
Centromere
Homozygous
41. The backbone of DNA consist of...
deoxyribose and phosphate
chromatin
Gametic
Cast
42. Types of rocks formed after exposure to very high heat. Because of the high temperatures - fossils are not able to be recovered from these types of rocks. Absolute or radioactive dating is possible - however.
Igneous and metamorphic rock
DNA
tRNA
Dominant
43. Gene
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44. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Comparative Anatomy
Chiasma
Natural Selection
Molecular biology
45. The study of the structures of different organisms - looking at homologous parts
deoxyribonucleic acid
Test Cross
Comparative Anatomy
Sexual Selection
46. The offspring of a cross between two inbred lines within a single species. May also refer to the offspring of across between two species
Bottle neck effect
Speciation
Hybrid
Mesozoic era
47. The structure on a tRNA molecule that allows it interact with an mRNA molecule
Evolution
anticodon
deoxyribose and phosphate
cytosine in DNA is about equal to the percentage of guanine molecules
48. Synonym for protein; chain of amino acids
polypeptide
Species
Analogous Structures (analogies)
Dominant
49. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
Thymine
watson and crick
Molecular biology
restriction enzymes - sticky ends
50. Is the genetic makeup of an organism (TT or Tt) ; All the combinations of genes you have for a certain trait.
Genetic Drift
Genotype
Medel worked with _____
Testcross