mullanebrianot3dpw
04.02.2020 •
Biology
Suppose you work for a company that sells plant seeds. you are studying a plant species in which the dominant phenotype is pink flowers (pp or pp). the recessive phenotype is white flowers (pp). customers have been requesting more plants with pink flowers. to meet this demand, you need to determine the genotypes of some of the plants you are currently working with. suppose you are presented with plant a of the species you are studying. it has pink flowers. you want to determine the genotype of the plant. you cross plant a with plant b of the same species. plant b has white flowers. the resulting cross yields six plants with pink flowers and six plants with white flowers.suppose you work for a company that sells plant seeds. you are studying a plant species in which the dominant phenotype is pink flowers (pp or pp). the recessive phenotype is white flowers (pp). customers have been requesting more plants with pink flowers. to meet this demand, you need to determine the genotypes of some of the plants you are currently working with. suppose you are presented with plant a of the species you are studying. it has pink flowers. you want to determine the genotype of the plant. you cross plant a with plant b of the same species. plant b has white flowers. the resulting cross yields six plants with pink flowers and six plants with white flowers.
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Ответ:
If we cross Plant A (pink flowers) with Plant B (white flowers) of the same species, the resulting cross will give equal number (1:1 ratio) of the both colors. This means that the crossed plants had Plant A: Pp (heterozygous) and Plant B: pp (recessive homozygous) genotype.
P: Pp x pp
F1: Pp Pp pp pp
Ответ:
. moose and then wolf populations grow larger during cycle peaks—with enough wolves, all moose are eaten, leading to extinction for both.
Explanation:
At the peak of the cycle, Mosses which are vascular plants grow more increasing their population size this will in turn increase the number of wolves because food is available in abundance at the peak of the cycle.
Shortly after the peak the wolves will continue to feed on the mosses even when the population size of the plant is no longer increasing until there are no more food, the wolves who depend on plant will have to starve, some that are outcompete will die, some of the wolves will start feeding on themselves for survival, while others migrate the territory in search of food this will lead to extinction of the animals.