Human genetics guideNatural Sciences

Human genetics study guide: inheritance, pedigrees or DNA, one topic with worked problems and exercises

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Human genetics study guide: inheritance, pedigrees or DNA, one topic with worked problems and exercises

Example result

Example for the Standard package

Study guide: solving linear equations, for students aged 13–14

The one rule

An equation is a balance. Whatever you do to one side, you do to the other, and the balance stays level. The goal is to get x alone on one side.

Worked example 3: the unknown on both sides

Solve 5x − 4 = 2x + 11.

  1. Move the x terms to one side: take 2x from both sides. 5x − 2x − 4 = 11, so 3x − 4 = 11.
  2. Move the numbers to the other side: add 4 to both sides. 3x = 15.
  3. Divide both sides by 3. x = 5.
  4. Check: 5 × 5 − 4 = 21 and 2 × 5 + 11 = 21. Both sides match.

Common mistake

In 3(x + 2) = 18, many students write 3x + 2 = 18. The 3 multiplies everything in the brackets: 3x + 6 = 18, so x = 4.

Exercises 7–10

  1. 4x + 3 = x + 18
  2. 2(x − 5) = 14
  3. 7 − x = 3x − 9
  4. 3(2x + 1) = 4x + 15

Answers: 7. x = 5 · 8. x = 12 · 9. x = 4 · 10. x = 6

Files: PDF and Word. The guide is for learning: we do not do homework or tests to be handed in.

Client: a parent whose daughter gets lost when an equation has brackets or the unknown on both sides. Task: a guide at middle school level that starts from the basics and builds up to those two cases. Standard package: up to 8 pages, 6 worked examples, 20 exercises with answers and a summary sheet. Excerpt below.

The client and all details are made up.

About this service

Genetics problems look like puzzles until the rules click. This guide takes one topic at your level, such as Mendelian inheritance in humans, sex-linked traits, reading a pedigree, DNA replication or how a mutation changes a protein, and explains the rules in plain words. Worked problems are solved line by line: setting up a Punnett square, working out probabilities and reading pedigree symbols, all on made-up families and traits. Common mistakes, such as treating a probability as a certainty, are spelled out, and exercises with answers follow. Tell us the topic, the course and what keeps going wrong. You get PDF and Word files; Premium adds a test and an answer key. The guide is for learning only: it doesn't interpret anyone's genetic test, estimate personal risk or give medical advice, and we don't do homework or tests.

What is included

  • What you getA PDF and Word guide on one human genetics topic: the rules in plain words, problems solved line by line, pedigree reading, common mistakes and exercises with answers, all on invented families. From Standard, also a one-page sheet of symbols and inheritance patterns; in Premium, a self-check test of 20 questions and a separate answer key with short explanations.
  • Rules in plain wordsDominant, recessive, codominant and sex-linked traits
  • Problems solved line by linePunnett squares and probabilities set up and worked through
  • Pedigree readingSymbols and the clues that reveal a pattern
  • Made-up familiesPractice on invented cases, never on real people
  • Exercises with answersFrom one-trait crosses to multi-step pedigree problems

How it works

  1. 1
    TopicYou name the topic, the course and what keeps going wrong
  2. 2
    WritingWe explain the rules, solve the problems and write the exercises
  3. 3
    DeliveryYou get the guide in PDF and Word on the order page
  4. 4
    StudyYou practise with it and ask for changes within your package

What we need from you

The genetics topic (for example, inheritance of blood groups, X-linked traits, pedigree analysis or protein synthesis), the level (school biology, a college course or health studies), the curriculum and textbook if any, the symbols your course uses, what the learner already knows and where problems go wrong, the language and how the guide will be used. You may attach a syllabus or notes as Word or PDF files, up to 3. Please don't send graded work, exam papers or anyone's genetic test results.

We will ask you:

  • Which genetics topic?
  • For what level?
  • Where do problems go wrong?
  • Symbols, language and use

Compare packages

BasicOne topic, up to 4 pages$9StandardUp to 8 pages and a sheet$18PremiumUp to 15 pages with a test$35
Deadline1 day2 days3 days
Revisions123
Pagesup to 4up to 8up to 15
Worked examples3610
Exercises with answers102035
Summary sheetNoYesYes
Test and answer keyNoNoYes, 20 questions
SubjectHuman geneticsHuman geneticsHuman genetics
OrderOrderOrder

Payment protection

You pay when you order, but the money is released only for accepted work.

  • Fixed priceThe package price does not change after you pay.
  • The money is reservedWhen you pay, the amount is only reserved. It is released to the service once you accept the work.
  • Checked before deliveryEvery result goes through a quality check before it reaches you, and you see it on the order page before accepting it.
  • Free revisionsAsk for changes within your brief as many times as the package allows.
  • Acceptance after 3 daysIf within 3 days of delivery you neither accept the work nor ask for changes, it is accepted automatically. If you write in the order chat after delivery, the order waits; once we answer, we may start the 3 days again and will say so in the chat.
  • Redo or a full refundIf the result does not match your brief and the revisions did not fix it, or the work takes more than twice its deadline, write in the order chat: we will redo the work or refund the payment in full.
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Questions and answers

Can you explain my or my family's genetic test results?

No. The guide is for study and uses invented examples. It doesn't interpret test results, estimate anyone's risk or give medical advice; please talk to a doctor or a genetic counsellor.

Will the symbols match my textbook?

Courses use slightly different letters and pedigree symbols. Tell us yours or attach a page, and we follow it; otherwise we use common conventions and explain them.

Will you solve my homework problems?

No. We don't do homework, tests or exams to be handed in as the learner's own work. The guide solves similar, new problems so the learner can do their own.

Will it match my curriculum?

We follow the level and course you name, but depth and terms differ, so the learner or a teacher should check the guide against the course.

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