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Domestication
Inbreeding
Hybridization
Polyploidy
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Getting a copyright for the method!
Discovering a new gene!
Obtaining a patent!
Publishing its description in a journal!
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Hybrids
Dominant Factors
Alleles
Recessive Factors
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Probable outcome of a cross!
Actual outcome of a cross!
Result of incomplete dominance!
Result of meiosis!
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Mendel observed green and yellow pea pods in a 3:1 ratio because the F1 generation was heterozygous!
Mendel observed green and yellow pea pods in a 4:1 ratio because the allele for green pea pods is dominant!
Mendel observed green and yellow pea pods in a 1:1 ratio because the F2 generation had the same characteristics as the parent generation!
Mendel observed only green pea pods because both parents had green pea pods!
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A 5-carbon sugar
An amino acid
A nitrogen base
A phosphate group
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[A] = [T], and [C] = [G]
[A] = [C], and [T] = [G]
[A] = [G], and [T] = [C]
[A] = [T] = [C] = [G]
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A
B
O
AB
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Cystic Fibrosis
Sickle Cell Disease
Colorblindness
Huntington's Disease
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The CF allele is dominant!
The CF allele is recessive!
The CF allele cannot produce CFTR!
The CF allele overproduces CFTR!
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Insurance companies might identify where a person lives!
Insurance companies might charge unreasonable rates for genetic tests!
Insurance companies might try to alter a person’s DNA!
Insurance companies might deny a person insurance based on his or her chances of developing a disease!
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One haploid gamete!
Three diploid gametes!
Four diploid gametes!
Four haploid gametes!
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Down syndrome
Turner's syndrome
Klinefelter's syndrome
Sickle cell disease
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By identifying if the patient’s parents carry the dominant allele for Huntington’s disease!
By identifying if the patient is married to a person that exhibits symptoms of Huntington’s disease!
By identifying if the patient had been in close contact with someone that exhibits symptoms of Huntington’s disease!
By identifying if the patient had been in close contact with someone that carries the dominant allele for Huntington’s disease!
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If two alleles are codominant then both alleles will be observed in heterozygotes!
If two alleles are codominant then the heterozygous phenotype will be somewhere between the homozygous phenotypes!
If two alleles display simple dominance then only the recessive allele will be observed in heterozygotes!
If two alleles display simple dominance then neither allele will be observed in heterozygotes!
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Inbreeding
Hybridization
Recombination
Polyploidy
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Selective Breeding
Inbreeding
Hybridization
Mutation
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Transgenic
Mutagenic
Donors
Clones
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Undergoes mutation
Is treated with antibiotics
Becomes part of the transformed cell's genome
Becomes a nucleus
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Clones
Chromosomes
Plasmids
Hybrids
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Clone
Plasmid
Mutant
Sequence
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DNA fingerprinting can be used to treat criminals that have a genetic disease or disorder!
DNA fingerprinting can be used to identify persons that were wrongly convicted of a crime!
DNA fingerprinting can be used to identify which genes are active in persons that commit crimes!
DNA fingerprinting can allow persons that commit crimes to be used as animal models in medical research studies!
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Chromosomes
Active DNA Fragments
Clones
DNA fragments of different lengths
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Clones
Transgenic Plants
Increased Genetic Variation
Increased Hybridization
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Hybrid
Heterozygous
Homozygous
Dominant
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1
1/2
1/4
3/4
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Complete Dominance
Codominance
Polygenic Dominance
Multiple Alleles
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0
1/4
1/2
1
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The number of possible alleles for a gene!
The relative locations of genes on a chromosome!
Where chromosomes are in a cell!
How crossing-over occurs. Suppose that an organism has the diploid number 2N = 8!
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Transcription
Transformation
Duplication
Replication
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In anaphase of mitosis, sister chromatids separate. In anaphase I of meiosis, homologous chromosomes separate!
Anaphase of mitosis leads to four haploid cells. Anaphase I of meiosis leads to two diploid cells!
Crossing-over occurs after anaphase of mitosis, while crossing-over occurs before anaphase I of meiosis!
Chromosomes are not replicated before a cell enters anaphase of mitosis. Chromosomes have replicated before a cell enters anaphase I of meiosis!
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Frederick Griffith
Oswald Avery
Alfred Hershey and Martha Chase
James Watson and Francis Crick
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Tolerate high temperatures
Carry and make copies of information
Be modified in response to environmental conditions
Be broken down into small subunits
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Nucleus
Ribosomes
Cytoplasm
Histones
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DNA protease
Ribose
Carbohydrase
DNA polymerase
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A double strand and contains uracil!
A single strand and contains adenine!
A double strand and contains thymine!
A single strand and contains uracil!
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Ribose, phosphate groups, and adenine!
Deoxyribose, phosphate groups, and guanine!
Phosphate groups, guanine, and cytosine!
Phosphate groups, guanine, and thymine!
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3 bases at a time in the same direction!
4 bases at a time in the same direction!
3 bases at a time and the direction varies!
4 bases at a time and the direction varies!
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Decode an mRNA message into a protein!
Assemble amino acids into polypeptide chains!
Attach to mRNA molecules in the cytoplasm!
Translate DNA into RNA!
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Mutagen
Inversion
Point Mutation
Translocation
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Repeated
Lost
Reversed
Tranferred
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All bacteria cause pneumonia, because all mice that were injected with living bacteria died!
Heat-killed, disease-causing bacteria cause pneumonia, because the mouse injected with these bacteria plus harmless bacteria died!
Harmless bacteria cause pneumonia, because the mouse injected with these bacteria plus heat-killed, disease-causing bacteria died!
The heat-killed, disease-causing bacteria passed something to the harmless bacteria, because the harmless bacteria alone did not cause pneumonia!
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2
23
44
46
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Dominant and located on the X chromosome!
Dominant and located on the Y chromosome!
Recessive and located on the X chromosome!
Recessive and located on the Y chromosome!
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Bind DNA to chemical dyes!
Separate DNA fragments!
Reproduce DNA strands!
Synthesize nucleotide bases!
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Cancer
High Blood Pressure
Vitamin A Deficiency
Malaria
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A DNA microarray
PCR
Restriction Enzyme Analysis
DNA Sequencing
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Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds!
Farming with GM plants requires less land and energy, which may lead to lower food costs and an economic crisis for farmers!
GM plants require more insecticide use, which may increase the chance of chemical residues in the food supply!
Scientific studies on GM plants are not available so the effects of GM plants are unknown!
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