
Concept explainers
To review:
The effect of gigas (gi) mutant allele on the pea plant’s flowering, with reference to the data provided in Table 1 below.
Table 1: The effect of gigas mutant allele on the pea plant’s flowering.
Strains |
Photoperiod (hours of light provided to the plants) | ||
12 h | 16 h | 24 h | |
Gigas (gi mutant) | 54 nodes | 43 nodes | Only vegetative growth |
Wild type (WT) | 20 nodes | 16 nodes | 15 |
Introduction:
The flowering of a plant depends on the types of genes that are essential for its flowering. In pea plants, the effects of genes are often studied with the help of grafting. When wild type (WT) is grafted with the mutant type of plant stem, the mobile signals get transferred from one stem to another, thus compensating the absence of a functional allele in the mutant type.

Explanation of Solution
In Table 1, the number of nodes in case of the gi allele is more as compared to the WT, after 12 hours and 16 hours of light exposure. This means that the vegetative growth of plant is more in mutant allele as compared to the WT. When the vegetative growth of a plant is more, the flowering occurs very late because flowering takes place only after the vegetative growth of a plant gets stopped.
After 24 hours of light exposure, only 15 numbers of nodes are noticed in the WT type whereas, in the plants, with gi allele, only the vegetative growth is observed. In the mutant plants, flowering is never observed even after 24 hours of light exposure.
Thus, it can be concluded that from the given table that the mutant allele gi, delays the flowering in the plants, whereas the plants with WT allele undergo the normal period of flowering.
Want to see more full solutions like this?
- Can I please get this answered with the colors and how the R group is suppose to be set up. Thanksarrow_forwardfa How many different gametes, f₂ phenotypes and f₂ genotypes can potentially be produced from individuals of the following genotypes? 1) AaBb i) AaBB 11) AABSC- AA Bb Cc Dd EE Cal bsm nortubaarrow_forwardC MasteringHealth MasteringNu × session.healthandnutrition-mastering.pearson.com/myct/itemView?assignment ProblemID=17396416&attemptNo=1&offset=prevarrow_forward
- 10. Your instructor will give you 2 amino acids during the activity session (video 2-7. A. First color all the polar and non-polar covalent bonds in the R groups of your 2 amino acids using the same colors as in #7. Do not color the bonds in the backbone of each amino acid. B. Next, color where all the hydrogen bonds, hydrophobic interactions and ionic bonds could occur in the R group of each amino acid. Use the same colors as in #7. Do not color the bonds in the backbone of each amino acid. C. Position the two amino acids on the page below in an orientation where the two R groups could bond together. Once you are satisfied, staple or tape the amino acids in place and label the bond that you formed between the two R groups. - Polar covalent Bond - Red - Non polar Covalent boND- yellow - Ionic BonD - PINK Hydrogen Bonn - Purple Hydrophobic interaction-green O=C-N H I. H HO H =O CH2 C-C-N HICK H HO H CH2 OH H₂N C = Oarrow_forwardFind the dental formula and enter it in the following format: I3/3 C1/1 P4/4 M2/3 = 42 (this is not the correct number, just the correct format) Please be aware: the upper jaw is intact (all teeth are present). The bottom jaw/mandible is not intact. The front teeth should include 6 total rectangular teeth (3 on each side) and 2 total large triangular teeth (1 on each side).arrow_forward12. Calculate the area of a circle which has a radius of 1200 μm. Give your answer in mm² in scientific notation with the correct number of significant figures.arrow_forward
- Describe the image quality of the B.megaterium at 1000X before adding oil? What does adding oil do to the quality of the image?arrow_forwardWhich of the follwowing cells from this lab do you expect to have a nucleus and why or why not? Ceratium, Bacillus megaterium and Cheek epithelial cells?arrow_forward14. If you determine there to be debris on your ocular lens, explain what is the best way to clean it off without damaging the lens?arrow_forward
- 11. Write a simple formula for converting mm to μm when the number of mm's is known. Use the variable X to represent the number of mm's in your formula.arrow_forward13. When a smear containing cells is dried, the cells shrink due to the loss of water. What technique could you use to visualize and measure living cells without heat-fixing them? Hint: you did this technique in part I.arrow_forward10. Write a simple formula for converting μm to mm when the number of μm's are known. Use the variable X to represent the number of um's in your formula.arrow_forward
- Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage LearningBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
- Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage Learning




