Biology

Biology, 01.08.2019 07:30, christiancase06

Two identical flowering plants are planted in neighboring yards. one plant grows tall heathy, producing numerous pink flowers. the other is small, has brown, and never flowers. what could be the difference between the two plans?

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Biology, 01.07.2019 07:00, PENTALIZARD8179

(03.04 hc) a plant breeder found a species of flowering plant with very attractive flowers growing wild in a field and she thought it would appeal to her customers. some of the plants of this species had red flowers, some white flowers, and some pink flowers. while she would like to be able to offer her customers all three colors of flowers, she only has permission from the landowner to dig up one plant to bring back to the nursery as breeding stock. what would be the best thing for her to do? a. take a white flowering plant since the white allele could be masking the pink allele. b. take a pink flowering plant since it is likely to carry both the red and white alleles. c. take a red flowering plant since it could produce all three colors eventually. d. take a red flowering plant since the red allele is likely the dominant one.

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Biology, 31.08.2019 15:30, glydelxc2780

Aplant breeder found a species of flowering plant with very attractive flowers growing wild in a field and she thought it would appeal to her customers. some of the plants of this species had red flowers, some white flowers, and some pink flowers. while she would like to be able to offer her customers all three colors of flowers, she only has permission from the landowner to dig up one plant to bring back to the nursery as breeding stock. what would be the best thing for her to do? take a white flowering plant since the white allele could be masking the pink allelle. take a pink flowering plant since it is likely to carry both the red and white alleles. take a red flowering plant since it could produce all three colors eventually. take a red flowering plant since the red allele is likely the dominant one.

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Biology, 18.09.2019 19:20, hellp138

In a different plant species from the example given, flower color is controlled by two genes that contribute equally to pigmentation in the final flower color. the more "r" alleles, the more pigmentation, such that only plants with the genotype crcr drdr have red flowers, and only plants with the genotype cwcw dwdw have white flowers. plants with three "r" alleles produce 75% as much pigmentation as crcr drdr plants and have dark pink flowers. plants with three "w" alleles produce 25% as much pigmentation as crcr drdr plants and have light pink flowers. plants with an equal number of "r" and "w" alleles produce 50% as much pigmentation as crcr drdr plants and have pink flowers. a red flowering plant was mated to a white flowering plant and all of the f1 progeny had pink flowers. these pink flowered f1 plants were allowed to self-fertilize to produce f2 progeny. what is the genotype of the f1 plants that produced pink flowers? (hint: draw punnett squares to determine the f1 and f2 genotypes and phenotypes.)

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Biology, 06.10.2019 04:30, jalenshayewilliams

In a different plant species from the example given, flower color is controlled by two genes that contribute equally to pigmentation in the final flower color. the more "r" alleles, the more pigmentation, such that only plants with the genotype crcr drdr have red flowers, and only plants with the genotype cwcw dwdw have white flowers. plants with three "r" alleles produce 75% as much pigmentation as crcr drdr plants and have dark pink flowers. plants with three "w" alleles produce 25% as much pigmentation as crcr drdr plants and have light pink flowers. plants with an equal number of "r" and "w" alleles produce 50% as much pigmentation as crcr drdr plants and have pink flowers. a red flowering plant was mated to a white flowering plant and all of the f1 progeny had pink flowers. these pink flowered f1 plants were allowed to self-fertilize to produce f2 progeny. what is the genotype of the f1 plants that produced pink flowers? (hint: draw punnett squares to determine the f1 and f2 genotypes and phenotypes.) a) cwcw drdr b) crcw drdw c) cwcr drdr d) crcr dwdw

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