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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 banding pattern of a persons DNA after being cut and run on gel is called
DNA fingerprint
Hybrid Infertility
Germ
Founder effect
2. 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
geologic time scale
Stabilising
DNA
molecular evidence
3. Reciprocal evolution in two species as a result of the selection pressure each imposes upon the other
Homologous Structures
Adaptation
deoxyribonucleic acid
Coevolution
4. Organism is preserved at very low temperatures. Preservation of both hard and soft parts can occur.
Ice
Cytosine
Locus
Punnett Square
5. A change in the base sequence of DNA; the ultimate source of new alleles
Mutation
Ecological Barrier
Germ
Natural Selection
6. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
Analogous Structures (analogies)
Molecular biology
Founder Effect
vestigial (Evolution Evidence)
7. A DNA double helix is held together in the center by between nitrogenous bases
Incomplete Dominance
Stasis
Clade
hydrogen bonds
8. Proteins are made of...
stop codon
Recombination
analogous (Evolution Evidence)
amino acids
9. Dna moves during electrophoresis because of...
Alleles
Homologous pair
gel electrophoresis
its negative charge
10. Innate trait; shared ancestry
Autosomes
Endemic
Analogous Features
homologous (Evolution Evidence)
11. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
stop codon
Geologic Evolution
Selection
Stabilising
12. Group of similar organisms that can breed and produce fertile offspring
Ice
Species
Convergent Evolution
Heterozygous
13. Type of sympatric speciation that occurs when a new species is formed because of a change in microhabitats
analogous (Evolution Evidence)
vestigial (Evolution Evidence)
Mitosis
NIche Isolation
14. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
Variation
Molecular biology
Gene mutation
GATTACA
15. DNA that is coiled around proteins
chromatin
Dominant
molecular evidence
restriction enzymes - sticky ends
16. Features that are superficially similar but have different modes of development
Selection pressure
tRNA
Double Helix
Analogous Features
17. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Haploid/Monoploid
Comparative Embryology
mRNA
Character Displacement
18. Geologic period that followed the Precambrian;means 'ancient life' - early life (570-286 million years ago); single cell organisms - shells - mollusks - rise of first vertebrates - rise of land plants - amphibians - insects - seed plants - and trees
Paleozoic era
Deme
Chromosome mutation
amino acid
19. Separation of species or populations so that they cannot interbreed and produce fertile offspring
Test Cross
Reproductive Isolation
The cell uses information from mRNA to produce proteins
Immigration
20. The study of the past and present distribution of species.
Biogeography
Species
codon
Extinction
21. 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.
Analogous Structures (analogies)
Double Helix
Test Cross
Heterozygous
22. The region of the chromosome that holds the two sister chromatids together during mitosis
Centromere
clinC
Heterozygous
Allele Frequency
23. Organisms with a similar underlying structure - but different function. Example: bird - bat and dolphin 'arm'. Shows a common ancestral link.
Sex Chromosomes
Natural Selection
Test Cross
Homologous structures
24. Natural disaster eliminates most of the population - members left contribute the alleles for the new population.
Microevolution
Temporal Isolation
Bottle neck effect
Biogeography
25. What does DNA stand for...
deoxyribonucleic acid
amino acid
Geologic Evolution
Mitosis
26. When chromosome is changed by radiation and chemicals - results a permanent structural change in the chromosome - which will no longer be able to pair with its homologous pair. Eg - deletion - duplication - inversion and translocation.
Allele
Chromosome mutation
Analogous Features
Microevolution
27. The backbone of DNA consist of...
Double Helix
Vestigial organs
deoxyribose and phosphate
Species
28. DNA is made of...
Immigration
gel electrophoresis
Migration
nucleotides
29. Large - scale evolutionary changes that take place over long periods of time
Microevolution
Adaptive Radiation
its negative charge
Macroevolution
30. Pea plants
Mendel's traits are now called _____ found on DNA
Medel worked with _____
The cell uses information from mRNA to produce proteins
ribose - phosphate - and a base
31. A trait that masks the expression of another trait
Dominant
Substitution
Haploid/Monoploid
Coevolution
32. Organ that serves no useful function in an organism
Vestigial organs
nucleus
Post -zygotic Mechanisms
Hybrid Breakdown
33. Organ no longer serves a function
Adaptation
Mesozoic era
vestigial (Evolution Evidence)
Locus
34. Type of rock made from small pieces of other rocks and organisms pressed together. Source of fossil preservation. Limited radioactive or absolute dating potential.
Sedimentary Rock
replication
Hominid
Monohybrid Cross
35. Describes the existence of a prezygotic reproductive barrier between two species as a result of them occupying or breeding in different habitats within the same general geographical area
Sexual Selection
Speciation
Ecological (habitat) Isolation
Rosalind Franklin
36. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
restriction enzymes - sticky ends
Adenine
Species
Comparative Embryology
37. Hybrid is sterile so biologically unfit
Hybrid Infertility
Deme
Parallel Evolution
Mitosis
38. T or F If a nucleic acid contain uracil it is DNA
False RNA
Heterozygote
Diploid
Post -zygotic Mechanisms
39. 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
that is complementary to a single strand of DNA
Mendel's traits are now called _____ found on DNA
Vestigial structure
Fitness
40. The preserved remains or traces of an organism that lived in the past
Fossil
cytoplasm
Convergent Evolution
Environment
41. Mating of 2 oism that differ in 2 characters
Dihybrid Cross
Mutagen
amino acids
Dominant
42. The sum total of an organism's requirements; its way of life
Geologic Evolution
Punnett Square
Niche
vestigial (Evolution Evidence)
43. A change in the base sequence of a gene
Immigration
homologous (Evolution Evidence)
GATTACA
Gene mutation
44. 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
Phenotype
Homozygous
Rosalind Franklin
Meiosis
45. When F1 is fully fertile but F2 has low fertility (rice - cotton)
Industrial Melanism
Mendel's traits are now called _____ found on DNA
Geographical Isolation
Hybrid Breakdown
46. The study of the structures of different organisms - looking at homologous parts
Immigration
Comparative Anatomy
Ice
Guanine
47. Is a base found in DNA and RNA. This base pairs with Cytosine in DNA
Genetic Drift
Vestigial organs
Histone
Guanine
48. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Microevolution
Gene Pool
Fitness
Bottle neck effect
49. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
Chargaff
Crossing over
Genetic Drift
Chiasma
50. Predicts the possible outcome of a genetic cross.
Analogous Structures (analogies)
Punnett Square
Sedimentary Rock
Genotype