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What is the significance of genotypes where the alleles are the same in genetic inheritance?
When genotypes have the same alleles in genetic inheritance, it means that the individual is homozygous for that particular trait. This can have significance in determining the expression of that trait in the individual.
When studying a pedigree how do scientists determine if a trait is dominate or recessive?
dominant only appears in the F1 generation as 4 recessive stays hidden or masked in the F1 generation
Mendel wanted to find out if the pattern of inheritance for one trait affected the pattern of inheritance for another. What experiment did he perform to test this idea?
(Apex Learning) He tested seed color and shape at the same time.
What type two or more genes control a trait?
Polygenic inheritance is when two or more genes interact to control a trait. Each gene contributes to the phenotype in an additive manner, resulting in a continuous range of variations for the trait. Examples include human height and skin color.
Two plants are crossed resulting in offspring with 3 to 1 ratio for a particular trait?
The 3:1 ratio suggests that the trait is controlled by a single gene with two alleles. Three offspring exhibit the dominant trait, while one exhibits the recessive trait. This pattern follows Mendelian inheritance.
Shows the inheritance of a particular trait over several generations?
Inheritance of a particular trait over several generations can be displayed using a Punnett square to predict the possible outcomes. By following the principles of Mendelian genetics, one can determine the probability of offspring inheriting the trait based on the genotypes of the parents. Observing how the trait is expressed in each generation helps track its inheritance pattern.
How did Mendel find out if the pattern of inheritance for one trait affected the pattern for another trait?
He performed dihybrid crosses.
Is hitchhiker's thumb a X linked trait?
No, hitchhiker's thumb is not an X-linked trait; it is a result of a genetic variation that is considered to be an autosomal trait. This means it can be inherited from either parent, regardless of the sex of the offspring. The trait is associated with the flexibility of the thumb joint, and its inheritance pattern follows a simple Mendelian trait pattern rather than being linked to the sex chromosomes.
What is the significance of genotypes where the alleles are the same in genetic inheritance?
When genotypes have the same alleles in genetic inheritance, it means that the individual is homozygous for that particular trait. This can have significance in determining the expression of that trait in the individual.
Does a pedigree tarces the inheritance of a particular trait through only two generations?
False
Who was the first person to see the pattern in the inheritance of trait?
Gregor Mendel
What two pieces of information is needed to predict the inheritance pattern of a trait?
what 2 types of info are needed to predict the ingeritance pattern of a trait
What pattern is apparent in pedigrees charting the inheritance of a recessive trait?
The person with the recessive trait seems to 'skip' a generation
What is the inheritance pattern of a trait controlled by many genes like skin color?
Multiple gene inheritance. Sree
When studying a pedigree how do scientists determine if a trait is dominate or recessive?
dominant only appears in the F1 generation as 4 recessive stays hidden or masked in the F1 generation
What pattern of inheritance produces a range of outcomes in a trait?
A pattern of inheritance that produces a range of outcomes in a trait is known as polygenic inheritance. In this pattern, multiple genes contribute to a single trait, resulting in continuous variation rather than discrete categories. Examples include traits like height, skin color, and weight, where the combined effects of several genes lead to a spectrum of phenotypic expressions. This contrasts with Mendelian inheritance, which typically results in distinct, easily classified traits.
Mendel wanted to find out if the pattern of inheritance for one trait affected the pattern of inheritance for another. What experiment did he perform to test this idea?
(Apex Learning) He tested seed color and shape at the same time.
