Answer: the correct answer is 25%
T is the allele for tall plant, which is dominant trait. 't' is the allele for dwarf plant, which is a recessive trait.
Genotypes of the parent plants are- Tt and Tt. When they are crossed, there are 25% chances of producing tt offsprings. Refer the punnett square for this.
% of Offsprings with tt genotype = 
= 25%
Answer:
RNA contains the sugar ribose.
Explanation:
An RNA molecule is made of nitrogenous bases (A, U, G, and C), phosphate groups, and the sugar <em>ribose. </em>
Each ring marks an entire cycle of seasons, or one year, within the tree's life. Hence 23 rings shows 23 years of trees life . Measurement of tree rings are based on Radiocarbon dating. These rings can tell us how old the tree is, and what the weather was like during each year of the tree's life. The light-colored rings represent wood that grew in the spring and early summer, while the dark rings represent wood that grew in the late summer and fall.
Rings of trees growing in temperate climates can indeed tell their age through their annual rings and also help determine the age of wood used to construct buildings or wooden objects.
To learn more about rings , here
brainly.com/question/19367370
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Vitamin a stays accumulated in your system and so only a concern if Greg is vitamin a deficient but he is probably getting other sources of vit a in his diet as well
