0
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If you cross f1 with another f1 what is the genotype and phenotype do you expect in F2 generation?
When you cross two F1 individuals (both being heterozygous for a trait, for example, Aa), the expected genotype ratio in the F2 generation would be 1 AA : 2 Aa : 1 aa. The phenotype ratio, assuming A is dominant over a, would typically be 3 dominant phenotype (AA and Aa) to 1 recessive phenotype (aa). Therefore, you would expect three individuals displaying the dominant trait for every one individual displaying the recessive trait in the F2 generation.
What is a trait that allows an organism to survive or reproduce better than others without the trait in a specific environment?
A trait that confers a survival or reproductive advantage is known as an adaptation. These traits are typically passed down from generation to generation through natural selection, leading to better fitness and success in a specific environment relative to individuals lacking that trait.
What is the phenotype in the F1 generation that disappears in a one trait test cross?
The recessive trait phenotype disappears in a one-trait test cross in the F1 generation. This phenotype can reappear in the F2 generation.
What type of trait reappeared in the second generation?
In genetics, traits that reappear in the second generation are typically referred to as recessive traits. These traits may not be expressed in the first generation (F1) due to the dominance of a different trait but can resurface when the F1 individuals are crossed. This reappearance is a result of the segregation of alleles during gamete formation, allowing the recessive phenotype to manifest in some offspring of the second generation (F2).
Which type of genetic trait appears in every generation of offspring?
A dominant genetic trait appears in every generation of offspring because only one copy of the dominant allele is needed for the trait to be expressed.
If the probability of a specific trait will appear in the F generation is 0.25 how many individuals would be expected to show that trait in an f generation of 80 individuals?
20
What can be expected for the recessive trait of monohybrid from the f2 generation?
your mom, your dad
What can be expected for the recessive trait of monohybrids from the F2 generation?
In the F2 generation of monohybrids, the recessive trait can reappear in a ratio of 3:1 along with the dominant trait. This is because recessive traits can be masked in the F1 generation but resurface in the F2 generation due to genetic segregation.
A trait is inherited in an autosomal dominant manner If two individuals that do not have the trait mate what percentage of their offspring would be expected to have the trait?
0. Unless there is a germline mosaicism or sporadic mutation in the fertilized embryo.
What is a trait that allows an organism to survive or reproduce better than others without the trait in a specific environment?
A trait that confers a survival or reproductive advantage is known as an adaptation. These traits are typically passed down from generation to generation through natural selection, leading to better fitness and success in a specific environment relative to individuals lacking that trait.
In mendels experiment a trait that always disappeared in the f1 generation but reappeared in the f2 generation was called the?
recessive trait
What is the ability of a trait to be passed down from one generation to the next called?
The ability of a trait to be passed down from one generation to the next is called heritability. This reflects the proportion of variability in a specific trait that can be attributed to genetic differences among individuals in a population.
What is the term for when a trait skips a generation?
The term for when a trait skips a generation is called "recessive inheritance."
The trait that disappeared in the f1 generation?
reappears in some plants in the F2 generation
The observed trait in the first generation?
Dominant trait
If the F2 generation expressed a trait in a 3.1 ratio the F1 generation MUST be heterozyous for that trait?
True
The trait observed in the first generation when parents that have different traits are bred?
The trait observed in the first generation when parents with different traits are bred is known as the dominant trait. This trait is expressed in the offspring because it masks the expression of the recessive trait.
