BIOL 133 Final Exam Questions And All Correct Answers.
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Course
BIOL 133
Institution
BIOL 133
the process of change in allele frequencies that occurs entirely from chance (changes in gene frequencies that occur when small groups of individuals are reproductively separated from a larger population) - Answer genetic drift
What are the steps of the scientific method? - Answer 1. Ask a...
BIOL 133 Final Exam Questions And All
Correct Answers.
the process of change in allele frequencies that occurs entirely from chance (changes in gene
frequencies that occur when small groups of individuals are reproductively separated from a larger
population) - Answer genetic drift
What are the steps of the scientific method? - Answer 1. Ask a Question / Observation
2. Do Background Research
3. Construct a Hypothesis
4. Test Your Hypothesis by Doing an Experiment
5. Analyze Your Data and Draw a Conclusion
6. Report Your Results
judging the rightness or wrongness of an act by characteristics of act itself - apart from its consequences
(ex. "thou shalt not kill".. so euthanasia and abortion simply are not allowed) - Answer Deontological
System
Judging the rightness or wrongness of an act on the basis of its consequences
(ex. the choice that yields the greatest benefit to the most people is the choice that is ethically correct -
euthanasia and abortion are permitted under some guidelines) - Answer Utilitarian System
the expression of a gene (ex. blue eyes, brown fur, striped fruit, yellow flowers, etc) - Answer
phenotype
the genetic constitution of an individual organism - Answer genotype
allele that expresses itself when present in just one copy - Answer dominant allele
allele that is not expressed in the presence of the dominant allele - Answer Recessive allele
, a condition in which two alleles for a trait are the same - Answer Homozygous
a condition in which two alleles for a trait are different from each other - Answer Heterozygous
contain two complete sets of genetic information; chromosomes exist as homologous pairs - Answer
Diploid Cells
contain one complete set of genetic information (egg and sperm) - Answer Haploid Cells
two chromosomes, one of paternal origin, the other of maternal origin, that contain the same gene
sequence and pair with each other and undergo crossing over during meiosis - Answer Homologous
Chromosomes
chart of 23 pairs of chromosomes in humans; size order display - Answer Karyotype
the 23rd pair of chromosomes in humans - Answer sex chromosomes
during this stage of meiosis, chromosomes shorten and thick, the nuclear membrane breaks down,
homologous chromosomes align closely and synapse and undergo crossing-over - Answer Prophase 1
When do chromosomes undergo crossing over? - Answer Prophase 1 of Meiosis 1
when the locus for a gene for a particular trait or disease lies on the X chromosome, the disease is said
to be _________? - Answer X-linked
When the locus for a gene for a particular trait or disease lies on the Y chromosome, the disease is said
to be ______? - Answer Y-linked
When the locus for a gene for a particular trait or disease lies on the sex chromosomes? - Answer Sex
linked genetic traits (x-linked; y-linked)
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