Tectonic Settings Lab Report

During the 1860s, Gregor Mendel, an Austrian monk, performed a series of controlled experiments with true-breeding strains of garden peas strains that when self-fertilized always display the same trait, such as flower color
• Traits are controlled by a pair of factors, now called genes • Genes occur in alternate forms, called alleles – One allele may be dominant over another – Offspring receive one allele of each pair from each parent 19 Mendel’s Experiments
• The parental generation consisted of – true-breeding strains, – RR = red flowers, rr = white flowers
• Cross-fertilization yielded a second generation – all with the Rr combination of alleles, – in which the R (red) is dominant over r (white) 20 Mendel’s Experiments
• The second generation, when self-fertilized produced a third generation with a ratio of three red-flowered plants to one white-flowered plant 21 Importance of Mendel’s Work
• The factors (genes) controlling traits – do not blend during inheritance
• Traits not expressed in each generation – may not be lost (it’s simply recessive)
• Therefore, some variation in populations – results from alternate expressions of genes (alleles) • Variation can be maintained 22 Genes and Chromosomes
• Complex, double-stranded helical molecules of deoxyribonucleic acid (DNA)
• called chromosomes – are found in cells of organisms
• Specific segments of DNA are the basic units of heredity (genes) • The number of chromosomes – varies from one species to another – fruit flies 8; humans 46; horses 64 23 Sexually Reproducing Organisms • In sexually reproducing organisms, – the production of sex cells • pollen and ovules in plants • sperm and eggs in animals – results when cells undergo a type of cell division known as meiosis
• This process yields cells with only one chromosome of each pair – so all sex cells (gametes) have only 1/2 the chromosome number of the parent cell 24 Meiosis • During meiosis, – sex cells that contain one member of each chromosome pair form • Formation of sperm is shown here • Eggs form the same way, – but only one of the four final eggs is functional 25 Fertilization …
5 attachments
attachment_1 attachment_2 attachment_3 attachment_4 attachment_5

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more
Open chat
1
You can contact our live agent via WhatsApp! Via + 1 3234125597

Feel free to ask questions, clarifications, or discounts available when placing an order.

Order your essay today and save 30% with the discount code GIFT