If you cross a purebred dominant and a purebred recessive individual, the offspring would be considered hybrids, not purebreds. Purebreds result from breeding within the same purebred line, whereas hybrids are the result of crossing individuals from two different purebred lines.
That depends on which color is dominant. If red is dominant, then F1 will all be red heterozygous. If orange is dominant, then same applies.
In this case, the recessive allele is the one that is masked by the dominant allele. In watermelon color genetics, the green color is typically dominant over the striped pattern. So, the recessive allele is the one responsible for the striped pattern and the dominant allele is the one for the green color.
In a testcross, an individual with a dominant phenotype but unknown genotype is crossed with an individual that is homozygous recessive for the same trait. This helps determine the unknown genotype of the dominant individual based on the phenotypic ratios of the offspring. If any offspring display the recessive phenotype, it indicates that the dominant parent is heterozygous. Conversely, if all offspring show the dominant phenotype, the dominant parent is likely homozygous.
In second generation plants, the typical ratio of dominant traits to recessive traits, based on Mendelian genetics, is 3:1. This ratio occurs when two heterozygous parents (both carrying one dominant and one recessive allele) are crossed. The dominant trait appears in approximately 75% of the offspring, while the recessive trait appears in about 25%.
hh X Hh You get two recessives; hh and hh and two heterozygous plants; Hh and Hh
That depends on which color is dominant. If red is dominant, then F1 will all be red heterozygous. If orange is dominant, then same applies.
In this case, the recessive allele is the one that is masked by the dominant allele. In watermelon color genetics, the green color is typically dominant over the striped pattern. So, the recessive allele is the one responsible for the striped pattern and the dominant allele is the one for the green color.
homozygous recessive
Both alleles for feather color are dominant.
100% of the offspring will display the dominant trait because the homozygous dominant parent can only pass on the dominant allele. The offspring will inherit one dominant allele from the dominant parent and one recessive allele from the recessive parent, resulting in a heterozygous genotype expressing the dominant trait.
In a testcross, an individual with a dominant phenotype but unknown genotype is crossed with an individual that is homozygous recessive for the same trait. This helps determine the unknown genotype of the dominant individual based on the phenotypic ratios of the offspring. If any offspring display the recessive phenotype, it indicates that the dominant parent is heterozygous. Conversely, if all offspring show the dominant phenotype, the dominant parent is likely homozygous.
I think not as tall is the dominant allele here.T = tallt = shortTT X ttall would beTt======and tall.
Crossed or Mutts
In second generation plants, the typical ratio of dominant traits to recessive traits, based on Mendelian genetics, is 3:1. This ratio occurs when two heterozygous parents (both carrying one dominant and one recessive allele) are crossed. The dominant trait appears in approximately 75% of the offspring, while the recessive trait appears in about 25%.
hh X Hh You get two recessives; hh and hh and two heterozygous plants; Hh and Hh
100%
Dominant alleles are written in upper case (i.e, 'A'), while recessive alleles are lower case (i.e, 'a')