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Questions and Answers
What is the expected frequency of the homozygous recessive genotype (bb) in a population of 1000 cats where 160 are white?
What is the expected frequency of the homozygous recessive genotype (bb) in a population of 1000 cats where 160 are white?
- 0.06
- 0.16 (correct)
- 0.84
- 0.4
What is hybrid sterility characterized by?
What is hybrid sterility characterized by?
- Hybrid offspring produce functional gametes
- Hybrid offspring are always inviable
- All hybrids experience successful reproduction
- Hybrid offspring cannot produce functional gametes (correct)
Which factor could most likely explain a discrepancy between predicted and observed genotype frequencies in cats?
Which factor could most likely explain a discrepancy between predicted and observed genotype frequencies in cats?
- Increased overall size of the population
- Increased production of gametes
- Higher mutation rates in dominant alleles
- Greater immigration or survivorship (correct)
Which prezygotic barrier is described as reducing gene flow between subpopulations?
Which prezygotic barrier is described as reducing gene flow between subpopulations?
If the frequency of the recessive allele (q) is 0.4, what is the frequency of the dominant allele (p)?
If the frequency of the recessive allele (q) is 0.4, what is the frequency of the dominant allele (p)?
What is the main limitation of fossil records?
What is the main limitation of fossil records?
Which of the following describes the phenomenon of gene flow?
Which of the following describes the phenomenon of gene flow?
What is the principle of stratigraphy used for?
What is the principle of stratigraphy used for?
What type of mating is likely to increase the frequency of unusual traits within a population?
What type of mating is likely to increase the frequency of unusual traits within a population?
Which statement about mutations is accurate?
Which statement about mutations is accurate?
Which mechanism is NOT a means of sympatric speciation?
Which mechanism is NOT a means of sympatric speciation?
What is a characteristic of radiometric dating?
What is a characteristic of radiometric dating?
In a population of cats, what does the frequency represented by 2pq indicate?
In a population of cats, what does the frequency represented by 2pq indicate?
What describes hybrid breakdown?
What describes hybrid breakdown?
If a population's white-haired cats are observed to decrease in number, which of the following could explain this change?
If a population's white-haired cats are observed to decrease in number, which of the following could explain this change?
Which statement about isotopes is correct?
Which statement about isotopes is correct?
What is a primary role of methanogens in the environment?
What is a primary role of methanogens in the environment?
Which characteristic is unique to the supergroup Stramenopiles?
Which characteristic is unique to the supergroup Stramenopiles?
Why are diatoms considered effective CO2 sinks?
Why are diatoms considered effective CO2 sinks?
Which statement about diatoms is NOT accurate?
Which statement about diatoms is NOT accurate?
What is a notable environment where extremophiles can thrive?
What is a notable environment where extremophiles can thrive?
Which group contains all eukaryotes that are not fungi, plants, or animals?
Which group contains all eukaryotes that are not fungi, plants, or animals?
What is the role of iron for diatoms in the ocean?
What is the role of iron for diatoms in the ocean?
What distinguishes the domain Archaea from bacteria?
What distinguishes the domain Archaea from bacteria?
What distinguishes brown algae from true plants?
What distinguishes brown algae from true plants?
Which characteristic is true for dinoflagellates?
Which characteristic is true for dinoflagellates?
What is the role of the apex structure in apicomplexans?
What is the role of the apex structure in apicomplexans?
How do zooxanthellae contribute to coral health?
How do zooxanthellae contribute to coral health?
What is the primary pigment that gives red algae its color?
What is the primary pigment that gives red algae its color?
What evolutionary event led to the formation of archaeplastida?
What evolutionary event led to the formation of archaeplastida?
What consequence can algal blooms caused by dinoflagellates have on marine life?
What consequence can algal blooms caused by dinoflagellates have on marine life?
Which group of organisms are considered unikonta?
Which group of organisms are considered unikonta?
What purpose do keratins and lipids serve in the waterproof skin of certain animals?
What purpose do keratins and lipids serve in the waterproof skin of certain animals?
Which of the following adaptations is NOT characteristic of birds?
Which of the following adaptations is NOT characteristic of birds?
What is a key feature of mammalian heart structure?
What is a key feature of mammalian heart structure?
How do monotremes nourish their young after they hatch?
How do monotremes nourish their young after they hatch?
Which statement describes a characteristic of marsupials?
Which statement describes a characteristic of marsupials?
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