(F24)9121518192:1212124くくAn odd number ofchromosomes in a hybridrenders its sperm inviable.Cichlid occupying differentzones in Lake Victoria.2127One population of pineCくくく☑trees releases pollen inMarch; the other in August.Sperm cannot betransferred due to theincompatibility of genitals.Two fruit fly species thatuse different host plants forbreeding and larvaldevelopment.One plant is pollinated bybees; the other bybutterflies.Some mosquitoes pupate inthe summer; others in fall.Gametes from two differentsea urchin species aregenetically incompatible.Different songs in closely-related bird species.One salmon species spawnsin Alaska systems; the other1. Behavioral isolation2. Mechanical isolation3. Temporal isolation4. Habitat isolation5. Gametic isolation6. Post-zygotic isolation

Detailed explanation: 1. Behavioral IsolationExample: Different songs in closely-related bird…

Answered: (F24) 9 12 15 18 19 2:1 21 21 24 くく An…

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter7: The Cellular Basis Of Inheritance

Section: Chapter Questions

Problem 1ACQ: Figure 7.2 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,...

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Similar questions

Different populations of the tiny freshwater snails pictured in FIGURE 12.1 reproduce sexually, or asexually. Individuals of the sexual populations are diploid; those in asexual populations are diploid (3n, having three sets of chromosomes). Huge populations of asexual snails are disrupting ecosystems worldwide. Fertilizers and detergents contain a lot of phosphorus. So does DNA. Explain why you might expect to find more sexual snail populations in an unpolluted river, and more asexual ones in a river polluted by agricultural and urban runoff.
A farmer raises black and white chickens. To his surprise, when the first generation of eggs hatch all the chickens are black with white speckles throughout their feathers. What should the farmer expect when the eggs laid after interbreeding the speckled chickens hatch? All the offspring will be speckled 75% of the offspring will be speckled, and 25% will be black 50% of the offspring will be speckled, 25% will be black, and 25% will be white 50% of the offspring will be black and 50% of the offspring will be white.
List and briefly describe the three processes that lead to variation in offspring with the same parents.
Provide two reasons why meiosis leads to genetic variation in diploid organisms.
Describe the advantage of using an aural or pheromone signal to attract a mate as opposed to a visual signal. How might the population density contribute to the evolution of aural or visual mating rituals?
One gene that affects three traits is an example of ______. a. dominance b. codominance c. pleiotropy d. epistasis
Prezygotic is isolating mechanisms: a. reduce the fitness of hybrid offspring. b. generally prevent individuals of different species from producing zygotes. c. are found only in animals. d. are found only in plants. e. are observed only in organisms that reproduce aseually.
Molecular clocks are based on comparisons of the number of ______ mutations between species. a. lethal b. neutral c. conservative d. nonconservative
In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).
In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene at a different locus is epistatic to the gene for fur color. When present in its dominant W form (WW or Ww), this gene blocks the formation of fur color and all the offspring are white; ww individuals develop normal fur color. What fur colors, and in what proportions, would you expect from the cross AaWw Aa Ww?
More Crosses with Pea Plants: The Principle of Independent Assortment Given the following matings, what are the predicted phenotypic ratios of the offspring? a. AABb Aabb b. AaBb aabb c. AaBb AaBb
Can conjoined (Siamese) twins be dizygotic twins in light of the theory that conjoined twins result from incomplete division of the embryo?

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