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    a purebred purple flowering plant is crossed with a purebred white flowering plant, and they produce offspring that have purple flowers. which is the trait for purple flowers? dominant recessive codominant blended

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    get a purebred purple flowering plant is crossed with a purebred white flowering plant, and they produce offspring that have purple flowers. which is the trait for purple flowers? dominant recessive codominant blended from EN Bilgi.

    The crossing of a red flowered plant and a white flowered plant, produces all the offspring with pink flowers. This cross illustrates

    Click here👆to get an answer to your question ✍️ The crossing of a red flowered plant and a white flowered plant, produces all the offspring with pink flowers. This cross illustrates

    Question

    The crossing of a red flowered plant and a white flowered plant, produces all the offspring with pink flowers. This cross illustrates

    A

    Red is dominant

    B

    White is dominant

    C

    Pink is dominant

    D

    Red and white exhibit incomplete dominance

    E

    Red and white exhibit codominance.

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    Source : www.toppr.com

    Encyclopedia of Evolution

    Evolutionary science is not only one of the greatest breakthroughs of modern science, but also one of the most controversial. Perhaps more than any other scientific area, evolutionary science has caused us all to question what we are, where we came from, and how we relate to the rest of the universe. Encyclopedia of Evolution contains more than 200 entries that span modern evolutionary science and the history of its development. This comprehensive volume clarifies many common misconceptions about evolution. For example, many people have grown up being told that the fossil record does not demonstrate an evolutionary pattern, and that there are many missing links. In fact, most of these missing links have been found, and their modern representatives are often still alive today. The biographical entries represent evolutionary scientists within the United States who have had and continue to have a major impact on the broad outline of evolutionary science. The biographies chosen reflect the viewpoints of scientists working within the United States. Five essays that explore interesting questions resulting from studies in evolutionary science are included as well. The appendix consists of a summary of Charles Darwin's Origin of Species, which is widely considered to be the foundational work of evolutionary science and one of the most important books in human history. The five essays include: How much do genes control human behavior?What are the ghosts of evolution?Can an evolutionary scientist be religious?Why do humans die?Are humans alone in the universe

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    Encyclopedia of Evolution

    Stanley A. Rice

    Infobase Publishing, 2009 - 468 sayfa

    0 Eleştiriler

    Evolutionary science is not only one of the greatest breakthroughs of modern science, but also one of the most controversial. Perhaps more than any other scientific area, evolutionary science has caused us all to question what we are, where we came from, and how we relate to the rest of the universe. Encyclopedia of Evolution contains more than 200 entries that span modern evolutionary science and the history of its development. This comprehensive volume clarifies many common misconceptions about evolution. For example, many people have grown up being told that the fossil record does not demonstrate an evolutionary pattern, and that there are many missing links. In fact, most of these missing links have been found, and their modern representatives are often still alive today. The biographical entries represent evolutionary scientists within the United States who have had and continue to have a major impact on the broad outline of evolutionary science. The biographies chosen reflect the viewpoints of scientists working within the United States. Five essays that explore interesting questions resulting from studies in evolutionary science are included as well. The appendix consists of a summary of Charles Darwin's Origin of Species, which is widely considered to be the foundational work of evolutionary science and one of the most important books in human history. The five essays include: How much do genes control human behavior?What are the ghosts of evolution?Can an evolutionary scientist be religious?Why do humans die?Are humans alone in the universe

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    Understanding Codominance and Incomplete Dominance

    Free practice questions for High School Biology - Understanding Codominance and Incomplete Dominance. Includes full solutions and score reporting.

    High School Biology : Understanding Codominance and Incomplete Dominance

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    High School Biology Help » Genetics and Evolution » Genetics Principles » Inheritance Patterns » Understanding Codominance and Incomplete Dominance

    Example Question #1 : Understanding Codominance And Incomplete Dominance

    A plant with red flowers is crossed with a plant with white flowers. The resulting offspring have pink flowers. What term describes the dominance of this trait?

    Possible Answers:

    Codominance

    Incomplete dominance

    Dominance Recessiveness

    Correct answer:

    Incomplete dominance

    Explanation:

    A phenotypic "blending" of two traits is referred to as incomplete dominance, indicating that neither trait is truly dominant over the other. Instead of one color overpowering expression of the other, both colors are expressed simultaneously.

    Codominance suggests that both phenotypes are dominant, but cannot be expressed at the same time. The result of codominance would be regions of dominant red expression and regions of dominant white expression, resulting in spots rather than blending.

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    Example Question #1 : Understanding Codominance And Incomplete Dominance

    Two pure breeding plants are crossed. One plant has red flowers and the other has white flowers.

    What phenotype(s) would be seen in the first generation if flower color exhibited incomplete dominance?

    Possible Answers:

    All offspring would have pink flowers

    Half of the offspring would have red flowers, and half would have pink

    Half of the offspring would have red flowers, and half would have white

    All offspring would have both red and white flowers

    Correct answer:

    All offspring would have pink flowers

    Explanation:

    The genotypes of the offspring can be determined by crossing the red flowers, RR, with the white flowers, rr.

    RR x rr

    Offspring: all offspring are Rr.

    Incomplete dominance means that neither color shows dominance in the hybrid generation. This means that instead of solid red or solid white flowers, the heterozygous plants will display a mixture of both colors. Since the entire first generation will be heterozygous for the color trait, they will all be pink (a mix of white and red).

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    Example Question #1 : Understanding Codominance And Incomplete Dominance

    Black fur (A) is codominant with white fur (a) and brown eyes (B) are dominant to blue eyes (b) in mice. Two mice are heterozygous for both traits. If these mice are crossed, what color of fur will the offspring with genotype Aa express?

    Possible Answers:

    Black or white, depending on each individual offspring

    Black and white spotted

    Gray Black

    Correct answer:

    Black and white spotted

    Explanation:

    Codominance means that more than one type of dominant allele for the same gene is present. If both black and white fur are dominant, then heterozygous (Aa) offspring would be spotted with black and white.

    Note this is a different expression pattern from incomplete dominance, in which a blending of phenotypes occurs.

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    Example Question #4 : Understanding Codominance And Incomplete Dominance

    Two mice are heterozygous for both fur color and eye color. If these mice were crossed and all offspring have dark brown, almost-black fur, what is the best explanation?

    Possible Answers:

    The alleles for black and brown fur exhibit incomplete dominance

    Independent assortment has occurred

    Both parents have a recessive mutation

    The alleles for black and brown fur exhibit complete dominance

    Correct answer:

    The alleles for black and brown fur exhibit incomplete dominance

    Explanation:

    Incomplete dominance is when more than one type of dominant allele for the same gene is present. If black and brown alleles are incompletely dominant, they "compete" for expression, which produces offspring with a combination of the two colors.

    Note that this pattern difference from codominance, in which the phenotypes will be present in separate spots of blotches.

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    Example Question #1 : Understanding Codominance And Incomplete Dominance

    If red (R) and white (r) are codominant alleles that determine flower color, what phenotypes are possible for this gene?

    Possible Answers:

    Pink only

    Red, white, and pink

    Red, white, and red-white spotted

    Red and white

    Correct answer:

    Red, white, and red-white spotted

    Explanation:

    The possible genotypes for this trait are RR, Rr, and rr. To determine the answer, we must find the phenotype that corresponds to each genotype.

    We know that RR is red and rr is white, since these genotypes are homozygous.

    Now you must determine if Rr is red, white, or some other phenotype. Codominance means that both phenotypes show simultaneously, so the heterozygote would be both red and white, which is a distinct third phenotype. These organisms would show spots or splotches of each color.

    Source : www.varsitytutors.com

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