Transposable elements are known as stretches of DNA molecules and they can move from one place to another place within the genome. Generally, transposable elements are inserted into the other DNA material, for examples, the chromosome, the plasmid, and the viral genome. Transposable elements usually do not contain the origin of replication, therefore, they replicate within the host DNA into which transposable elements are inserted. When the host DNA replicates , transposable elements also replicate along with them. The process of the movement of the transposable elements is known as transposition.

Question

Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI). Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN). Laboratory Analysis: Body: Large leaves emerging from underground rhizome. Size: 63 cm Chromosomal Analysis: Plant body is diploid—chromosome number of 44. Lignin test: Positive Cuticle: Present Leaves: Present—large with branched veins. Underside has sori (containing haploid spores). Roots: Present—branch from the inside. Stem: Present—vascular tissue (xylem & phloem) present. Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte. Explain which domain, kingdom and phylum you believe this plant should be classified…

Answer 1

Question

Chapter 11.11, Problem 1MQ

Summary Introduction

Transposable elements are known as stretches of DNA molecules and they can move from one place to another place within the genome. Generally, transposable elements are inserted into the other DNA material, for examples, the chromosome, the plasmid, and the viral genome. Transposable elements usually do not contain the origin of replication, therefore, they replicate within the host DNA into which transposable elements are inserted. When the host DNA replicates, transposable elements also replicate along with them. The process of the movement of the transposable elements is known as transposition.

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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI). Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN). Laboratory Analysis: Body: Large leaves emerging from underground rhizome. Size: 63 cm Chromosomal Analysis: Plant body is diploid—chromosome number of 44. Lignin test: Positive Cuticle: Present Leaves: Present—large with branched veins. Underside has sori (containing haploid spores). Roots: Present—branch from the inside. Stem: Present—vascular tissue (xylem & phloem) present. Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte. Explain which domain, kingdom and phylum you believe this plant should be classified…

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