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Physical characteristics of organisms are called?
Physical characteristics of organisms are called phenotypes. These traits are the observable characteristics of an organism, such as its color, size, shape, and behavior. Phenotypes are the result of an organism's genetic makeup interacting with its environment.
Explain how stabilizing selection would affect a graph of the distribution of phenotypes for a trait?
Stabilizing selection would result in a graph showing a peak at the intermediate phenotype, with fewer individuals at the extreme phenotypes. This is because individuals with intermediate phenotypes are favored, leading to the reduction of extreme phenotypes in the population over time.
For the above cross what would the phenotypes be?
The phenotypes for the above cross would be 3 individuals with straight hair and 1 individual with curly hair.
How many phenotypes does the trait have?
Aa AA aa If A dominant, two phenotypes.
Why do some traits have so many different phenotypes?
Some traits have many different phenotypes because they are influenced by multiple genes and environmental factors. This can lead to a wide range of possible outcomes for a trait. Additionally, genetic variations and interactions can result in different expressions of a trait in individuals.
More phenotypes than expected may result from polygenic inheritance because of what?
pleiotropy
What are the phenotypes of all living things caused by?
the combination of alleles from your parents
How many phenotype can result from the cross TtYy x ttyy?
Four phenotypes can result from the cross TtYy x ttyy. The four possible phenotypes are: TY, Ty, tY, and ty. This is because the offspring can inherit different combinations of alleles for the two genes, resulting in different trait combinations.
Why can multiple alleles result in many different phenotypes for a trait?
Multiple alleles can result in many different phenotypes for a trait because each allele codes for a different version of a gene, leading to a variety of possible combinations and expressions of traits in an individual.
Physical characteristics of organisms are called?
Physical characteristics of organisms are called phenotypes. These traits are the observable characteristics of an organism, such as its color, size, shape, and behavior. Phenotypes are the result of an organism's genetic makeup interacting with its environment.
Explain how stabilizing selection would affect a graph of the distribution of phenotypes for a trait?
Stabilizing selection would result in a graph showing a peak at the intermediate phenotype, with fewer individuals at the extreme phenotypes. This is because individuals with intermediate phenotypes are favored, leading to the reduction of extreme phenotypes in the population over time.
Is it possible for 2 alleles to produce 4 phenotypes?
yes
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.
How many different phenotypes can be produced from intercrossing parents of genotype AaB1B2?
Four different phenotypes can be produced: AABB, AABb, AaBB, and AaBb. This is the result of different combinations of alleles from each parent in the offspring.
How many different phenotypes can be produced by a pair codominant alleles?
2
For the above cross what would the phenotypes be?
The phenotypes for the above cross would be 3 individuals with straight hair and 1 individual with curly hair.
How many phenotypes does the trait have?
Aa AA aa If A dominant, two phenotypes.
