50% will be tall
From the cross Aa x Aa, the probability of producing a homozygous dominant offspring is 1/4 or (0.25).
Here are the four possibilities: AA Aa Aa aa Therefore there is a 25% chance of producing a homozygous dominant offspring (AA).
F1 offspring obtained by monohybrid cross of AA and AA will be Aa.
The genotypic ratio of a cross of Aa and Aa is: one AA, one aa, and two Aa. Or 1:2:1
offspring will be produced in following AA :Aa:aa and is in the ratio of 1:2:1 so the probabiltiy is 50%
From the cross Aa x Aa, the probability of producing a homozygous dominant offspring is 1/4 or (0.25).
1/16
Here are the four possibilities: AA Aa Aa aa Therefore there is a 25% chance of producing a homozygous dominant offspring (AA).
F1 offspring obtained by monohybrid cross of AA and AA will be Aa.
If the parents are both AA, which results in the cross AA X AA, then the offspring will all be AA. If both parents are AA, resulting in the cross AA X AA, then all offspring will be AA. If BOTH parents are Aa, resulting in the cross Aa X Aa, then the offspring will be 25% AA, 50% Aa, and 25% AA. This is only true if the alleles are not sex-linked.
If ALL offspring are Aa, The parents are AA and aa.
This is due to Mendel's law of segregation, which states that alleles separate during gamete formation and randomly unite during fertilization. Therefore, there is a 25% chance that offspring from an Aa x Aa cross will inherit the genotypes AA, resulting in the expression of the recessive trait.
The probability of offspring for two heterozygous dogs (Aa x Aa) is 25% homozygous dominant (AA), 50% heterozygous (Aa), and 25% homozygous recessive (aa) based on Mendelian genetics principles.
The genotypic ratio of a cross of Aa and Aa is: one AA, one aa, and two Aa. Or 1:2:1
There are two choices that produce the least phenotypic variation. AA times aa produces only Aa offspring. AA times Aa produces and AA and Aa offspring.
To provide an accurate answer, I would need the specific parental genotypes involved in the cross. However, if we assume a simple Mendelian cross between two heterozygous parents (e.g., Aa x Aa), the expected genotypes of the offspring would be: AA, Aa, Aa, and aa. This would yield 1 AA, 2 Aa, and 1 aa, resulting in a total of four offspring with the genotypic ratio of 1:2:1.
No, there are more than two possible genotypes among the offspring when both parent genotypes are Aa. The potential genotypes for the offspring are AA, Aa, and aa, resulting in a total of three different genotypes. The expected ratio from a Punnett square for this cross is 1 AA : 2 Aa : 1 aa.