Purple flowers certainly are dominant to white flowers. In nature usually dark colors will be dominant over the lighter colors.
Purple flowers are dominant to white flowers.
In pea plants, the presence of an allele for purple flowers is dominant over the allele for white flowers. This means that if a plant has at least one allele for purple flowers, it will exhibit purple flowers, masking the effect of the recessive white flower allele. As a result, only plants with two recessive alleles will display white flowers. This illustrates the principles of Mendelian inheritance and dominance.
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It depends. If the cross is homozygous, then the punnett square will be PPXpp P P p Pp pp p Pp pp Heterozygous PpXPp P p P PP Pp p PP pp If you know how to do the geno and the phenotypes then you're all set
Two purple flowers can produce a white flower through a genetic phenomenon called incomplete dominance, where the dominant purple allele and recessive white allele both influence the flower's color. When two heterozygous purple flowers (Pp) are crossed, there is a 25% chance of producing a white flower (pp) due to the combination of alleles.
Gene responsible for purple color is dominant over white color.
Purple flowers are dominant to white flowers.
Gene responsible for purple color is dominant over white color.
75%
It can happen when both parents are a heterozygous
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If two true-breeding pea plants are crossed their offspring will show the dominant trait. The flowers will be purple or light purple.
The principle of dominance.The gene for purple flowers is dominant, while the gene for white flowers is recessive. We know this because both flowers are homozygous, meaning their genes are the same. The genotype of Penelope (the purple flower) is PP, or purple purple. The genotype of Walter (the white flower) is pp, or white white. Because of this, if the gene for white petals was dominant, all the flower offspring would display white petals. If the genes were codominant, the flower offspring would be lavender, an even mix between the white and purple phenotypes.The Punnet square for this example (if you are a visual person) looks like this:......................Walter........................p | p....................___ | ___................P | Pp | Pp |Penelope .....________................P | Pp | Pp |...................|___|___ |You can clearly see that all the offspring are heterozygous, yet because they all share Penelope's phenotype, it is quite obvious that, again, the gene for purple flowers is dominant.
It depends. If the cross is homozygous, then the punnett square will be PPXpp P P p Pp pp p Pp pp Heterozygous PpXPp P p P PP Pp p PP pp If you know how to do the geno and the phenotypes then you're all set
Two purple flowers can produce a white flower through a genetic phenomenon called incomplete dominance, where the dominant purple allele and recessive white allele both influence the flower's color. When two heterozygous purple flowers (Pp) are crossed, there is a 25% chance of producing a white flower (pp) due to the combination of alleles.
When purple is dominant and white is recessive, the white offspring of purple and white parents will be heterozygous for the purple gene. This means they will carry one purple allele and one white allele, but display the purple trait due to its dominance.
A living thing with a dominant and a recessive gene for a trait is heterozygous. This individual will display the dominant phenotype for that trait but may have offspring that display the recessive trait.