a homozygous pancy purple flower (pp) as well as a homozygous pancy pink flower (pp) is crossed even here purple is dominant and pink is recessive based on the punnett square principles, crossing a homozygous dominant flower with a homozygous recessive flower.
even offspring of heterozygous genotype is produced.
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pollen grain is the male sex cells of a plant , appear as dust , vary in size depending on the method of formation
wind born pollen grains are larger .it is covered with waxes .it has two walls or shells
the outer shell itself is made of two walls ie
the outer layer otherwise known as the exine and the inner layer is called the intine from the word inner
kgv kjni hew...