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The F2 generation would have a mix of genotypes for feather color, depending on the genetic makeup of the F1 birds. Assuming the blue feathered bird is homozygous dominant (BB) and the white feathered bird is homozygous recessive (bb), the F1 generation would be heterozygous (Bb). In the F2 generation, there would be a phenotypic ratio of 3:1 for blue to white feathers and a genotypic ratio of 1:2:1 for BB:Bb:bb.
An F1 Labradoodle = Poodle crossed with a Labrador Retriever.F2 = F1 Labradoodle crossed with F1 LabradoodleF3 = F2 Labradoodle crossed with F2 Labradoodle etcWhen mixing generations, you add one to the lower generation parent, ie F4 cross F1 = F2, or F3 cross F2 = F3 etcF1B, F2B, F3B etc just means a backcross to one of the parent breeds, usually the poodle, thus F3B = F3 Labradoodle cross Poodle
What is what considered, the cow or the calf? Please be more specific when asking these type of questions!
No, Xabi Alonso and Fernando Alonso are not related. They have the same last name, but they are not family members. Xabi Alonso is a retired footballer from Spain, while Fernando Alonso is a Formula One racing driver also from Spain.
Dorkie - a hybrid or designer dog created from breeding a Dachshund (Doxie) and a Yorkshire Terrier (Yorkie).As far as I know there are two types of Dorkies being bred: The F1 Dorkie which is a 50/50 mix created by crossing a 100% purebred Dachshund with a 100% purebred Yorkshire Terrier and the F1b Dorkie which is a 25/75 mix created by crossing an F1 Dorkie with either a 100% purebred Dachshund or Yorkshire-Terrier. These two types are now being registered with the CKC in an effort to establish a new breed. Are they a mixed breed? Sure they are, however, all the purebreds began as mixed breeds, so why not? The theory is that all dogs descended from the wolves anyway!See the related link below for more info:
The phenotypes present in the F1 generation depend on the phenotypes of the parental generation (and the environment). The F1 generation will display the dominant trait(s). For example, if T is tall and t is short, in the cross TT X tt the F1 generation will have the phenotype corresponding to the T allele (tall).
If the parent generation consisted of a homozygous dominant parent and a homozygous recessive parent, then the F1 generation would be 100% heterozygous.
F1 or first filial
P1 stands for parental generation. While F1 and F2 stand for filial generations. These would be first daughter and second daughter.
The proportions of the two phenotypes in the F1 generation remained constant as the number of offspring increased from 10 to 100. This is because the inheritance of traits follows Mendelian principles, and the ratio of phenotypes will only change if there is an assortment such as independent segregation.
The results of the first generation were 3 tall plants and 1 short plant, indicating that some activity was making the tall plants more likely, but not exclusively so.
The phenotypes present in the F1 generation depend on the phenotypes of the parental generation (and the environment). The F1 generation will display the dominant trait(s). For example, if T is tall and t is short, in the cross TT X tt the F1 generation will have the phenotype corresponding to the T allele (tall).
The expected phenotype ratio of seed color in the offspring of an F1 x F1 cross is 3:1. This is because the F1 generation is heterozygous for the trait, resulting in a 3:1 ratio of dominant to recessive phenotypes in the offspring.
The genotype of gametes produced by F1 individuals is a combination of the alleles inherited from the parental generation. Each gamete carries one allele from each parent, resulting in a variety of possible genotypes.
Yes, Mendel's observation that the genotypes of the F1 offspring exhibited a 9:3:3:1 ratio in his dihybrid cross experiment provided evidence for the independent assortment of genes. This ratio suggested that the two traits being studied were inherited independently of each other, supporting Mendel's principle of independent assortment.
The F2 generation would have a mix of genotypes for feather color, depending on the genetic makeup of the F1 birds. Assuming the blue feathered bird is homozygous dominant (BB) and the white feathered bird is homozygous recessive (bb), the F1 generation would be heterozygous (Bb). In the F2 generation, there would be a phenotypic ratio of 3:1 for blue to white feathers and a genotypic ratio of 1:2:1 for BB:Bb:bb.
Usually, the parent flies will have a different genotype to the F1 generation (their offspring). For example, if the parents had WW (black eyes) and ww (white eyes), their offspring would all have Ww (black eyes). If you were experimenting further, you would want the F1 generation to cross - with Ww X Ww. If you did not remove the parental generation, you could have crosses between them and the F1 generation, which would result in different genotypes. If the parents were not removed, you could have the following crosses: Ww X WW Ww X ww WW X ww Ww X Ww The only cross that you would desire in the experiment would be F1 X F1 (Ww X Ww), which would give you the desired genotypes for the F2 generation.