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What else can I help you with?
What selection favors organisms with phenotypes that are at one extreme rlative to the average phenotype?
Directional selection favors organisms with phenotypes at one extreme relative to the average phenotype. This occurs when individuals with traits at one end of a spectrum have higher fitness, leading to a shift in the population towards that extreme phenotype.
What is the term of organism ability to survive and reproduce?
Fitness -Apex (Survival of the Fitness)
Distinguish between parental and recombinant phenotypes?
Parental Phenotypes are when the offspring of two parents look like one of the two parents. for example, if a green wrinkled pea is crossed with a heterozygous yellow round pea the offspring are 1/4 yellow round, 1/4 green wrinkled, 1/4 yellow wrinkled, and 1/4 green round. the yellow round and green wrinkled look like the parents so they have parental phenotypes, whereas the yellow wrinkled and the green round have combinations of the parental phenotypes thus they have recombinant phenotypes.
Which can you physically see genotypes or phenotypes?
You can see the phenotype. A good way to remember is that a photograph is what you see. The genotype is the graphic representation of the trait.
What does fitness mean in evolution?
In evolution, fitness refers to an organism's ability to survive and reproduce in its environment. It is a measure of an individual's genetic contribution to future generations. Individuals with higher fitness levels are more likely to pass on their genes to offspring, leading to evolutionary changes within a population over time.
What phenotypes have a higher fitness in disruptive?
The ones on each end. :)
What type of selection may eliminate intermediate phenotypes?
Disruptive selection can eliminate intermediate phenotypes by favoring extreme phenotypes, leading to a bimodal distribution. This selection occurs when individuals with extreme traits have a higher fitness than those with intermediate traits, resulting in the reduction of the intermediate phenotype in the population.
When individuals at only one end of the bell curve of phenotype frequencies have high fitness the result is?
Directional selection, where individuals with phenotypes at one extreme of the bell curve have a higher fitness compared to others. This can result in a shift in the population towards that extreme phenotype over generations.
Describe three patterns of natural selection on polygenic traits Which one leads to two distinct phenotypes?
One pattern of natural selection polygenic traits is directional selection, in which one end of the spectrum leads to increased fitness and the other end decreased fitness. Disruptive selection is when both ends of the spectrum lead to increased fitness and the middle leads to decreased fitness and it leads to two distinct phenotypes being selected for. It's opposite is stabilizing selection, in which the middle has the best fitness and the two extremes have decreased fitness.
Why some phenotypes are more common in a population than others?
Phenotypes that are more advantageous for survival and reproduction in a given environment are more likely to be passed on to future generations, leading to their increased frequency in a population over time. This process is driven by natural selection, where individuals with beneficial traits have a higher chance of passing on their genes. Additionally, genetic drift, gene flow, and mutations can also influence the frequency of phenotypes in a population.
What selection favors organisms with phenotypes that are at one extreme rlative to the average phenotype?
Directional selection favors organisms with phenotypes at one extreme relative to the average phenotype. This occurs when individuals with traits at one end of a spectrum have higher fitness, leading to a shift in the population towards that extreme phenotype.
How many phenotypes does the trait have?
Aa AA aa If A dominant, two phenotypes.
What is the term for an organism ability to survive and reproduce?
It Is Fitness.
What is the term of organism ability to survive and reproduce?
Fitness -Apex (Survival of the Fitness)
Why would stabilizing selection change the shape of a graph of phenotypes?
Stabilizing selection favors individuals with traits that are average or intermediate, reducing the frequency of extreme phenotypes. As a result, the distribution of phenotypes shifts towards the mean, leading to a narrower and taller bell-shaped curve on the graph. This change indicates a decrease in phenotypic variation, as the extremes are selected against, promoting a more uniform population. Over time, this stabilizing effect can enhance the fitness of the population in a stable environment.
What does heathier mean?
Higher fitness, and lots of muscle compared to fat
Why do you have more genotypes than phenotypes?
The number of possible genotypes is typically higher than the number of observable phenotypes because multiple genotypes can result in the same phenotype due to genetic variations, interactions, and environmental factors. Different combinations of genotypes and environmental influences can lead to similar outward traits, resulting in fewer distinct phenotypes than genotypes.
