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In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?
- a)The F1 offspring has red flower color.
- b)The F1 offspring has white flower color.
- c)The F1 offspring has pink flower color.
- d)The F1 offspring has a different color not resembling either parent.
Correct answer is option 'C'. Can you explain this answer?
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In the inheritance of flower color in the dog flower (snapdragon or An...
Explanation:
Crossing a true-breeding red-flowered (RR) plant with a true-breeding white-flowered (rr) plant in the dog flower (snapdragon or Antirrhinum sp.) results in the following:
- In this scenario, red flower color is dominant over white flower color.
- The genotype of the red-flowered plant is RR, while the genotype of the white-flowered plant is rr.
- When these two plants are crossed, the F1 offspring will all be heterozygous (Rr) for flower color.
- The heterozygous genotype (Rr) will result in a pink flower color phenotype in the F1 generation.
- This is because the red pigment from the R allele mixes with the absence of pigment from the r allele, resulting in a pink hue.
- Pink flower color is an example of incomplete dominance, where neither allele is completely dominant over the other, leading to a blending of phenotypes in the heterozygous offspring.
- Therefore, when a true-breeding red-flowered plant is crossed with a true-breeding white-flowered plant in the dog flower, the F1 offspring will have pink flower color.
Crossing a true-breeding red-flowered (RR) plant with a true-breeding white-flowered (rr) plant in the dog flower (snapdragon or Antirrhinum sp.) results in the following:
- In this scenario, red flower color is dominant over white flower color.
- The genotype of the red-flowered plant is RR, while the genotype of the white-flowered plant is rr.
- When these two plants are crossed, the F1 offspring will all be heterozygous (Rr) for flower color.
- The heterozygous genotype (Rr) will result in a pink flower color phenotype in the F1 generation.
- This is because the red pigment from the R allele mixes with the absence of pigment from the r allele, resulting in a pink hue.
- Pink flower color is an example of incomplete dominance, where neither allele is completely dominant over the other, leading to a blending of phenotypes in the heterozygous offspring.
- Therefore, when a true-breeding red-flowered plant is crossed with a true-breeding white-flowered plant in the dog flower, the F1 offspring will have pink flower color.
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In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer?
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In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer?.
In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer?.
Solutions for In the inheritance of flower color in the dog flower (snapdragon or Antirrhinum sp.), what is observed when a true-breeding red-flowered (RR) plant is crossed with a true-breeding white-flowered (rr) plant?a) The F1 offspring has red flower color.b) The F1 offspring has white flower color.c) The F1 offspring has pink flower color.d) The F1 offspring has a different color not resembling either parent.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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