Sugar and phosphate makeup the backbone/ and or side pieces of the dna molecule.
1. May be due to a mutation in the allele coding for white colour, which results in an allele coding for yellow colour in the flowers.
2. The original white flower that was isolated may have been heterozygous, Ww, where W codes for the white pigment in flowers, and W is dominant to w. The crossing of Ww × Ww will give offspring with genotypes of WW, Ww, Ww, ww, genotypic ratio of 1:2:1, and phenotypic ratio of 3 white :1 yellow. The offspring with the yellow flowers has a genotype of ww, homozygous recessive.
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During the first phase (G1), the cell grows and prepares for DNA replication, which occurs in the subsequent S phase.
Answer:
is it a choice or a typing answer
Explanation:
D) uracil because dna does not have uracil whilst rna does