Karyotypes Study guides, Class notes & Summaries
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IEB - DNA, RNA and Meiosis Class Notes
- Interview • 14 pages • 2022
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A complete set of notes on the DNA + RNA & Chromosomes + Meiosis Section of the IEB Matric / Grade 12 Syllabus for Life Sciences (Biology). Includes colourful diagrams as well as detailed descriptions of various processes. Contents: DNA, DNA Replication + RNA, Protein Synthesis (Transcription + Translation), Genetic Aberrations + Mutations, Application of DNA Technology, Chromosomes + Meiosis, Meiosis 1 - Reduction Division, Meiosis 2 - Copying Division, Meiosis + Crossing Over, Mitosis vs Meios...
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ETHC 210 Quiz: The Transforming Principle
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This scientist was important in that she obtained an x-ray photo of DNA which 
helped determine its structure: 
 Meischer Griffeth Watson 
Which of the following is true about karyotypes? 
Is an image showing all the chromosomes from a single cell of one individual 
 Shows stained chromosomes which can be arranged in pairs 
 Is often used to detect chromosome number abnormalities 
 In humans is composed of 46 chromosomes under typical conditions 
3 / 3 pts Question 3 
Trisomies are less...
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ATI TEAS 7 SCIENCE TEST BANK 2023-2024 EXAM WITH VERIFIED 100% CORRECT ANSWERS/AGRADE
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ATI TEAS 7 SCIENCE TEST BANK 2023-2024 
EXAM WITH VERIFIED 100% CORRECT 
ANSWERS/AGRADE 
1)Which of the following structures in the male reproductive system secretes a fluid that 
nourishes and protects sperm? 
a. Prostate gland 
b. Urethra 
c. Vas deferens 
d. Epididymis 
2) A scientist has noted a possible relationship between a certain chemical substance found in fish 
and the occurrence. Which of the following preliminary steps should the scientist take before 
conducting a controlled expe...
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Biology B Final Review 2023 with 100% correct answers
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What are alleles? How many alleles does an individual have for one particular trait? 
Alternative from of one gene. There are two alleles per trait. 
 
 
 
What are the sources of genetic variation in asexual and sexual organisms? 
1. Mutations 
2. Random Fertilization 
3. Independent Assortment 
4. Crossing Over 
 
 
 
What is the principle of independent assortment? 
Formation of random combinations of chromosomes in meiosis. 
 
 
 
A bird homozygous for black feathers and a bird homozygous fo...
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Teas 6 science test bank questions with Correct Answers 2024/2025 Update with Complete Solution Graded A+
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Teas 6 science test bank questions; 
1.Which of the following structures in the male reproductive system secretes a fluid that 
nourishes and protects sperm? 
a. Prostate gland 
b. Urethra 
c. Vas deferens 
d. Epididymis 
2. A scientist has noted a possible relationship between a certain chemical substance found in fish 
and the occurrence. Which of the following preliminary steps should the scientist take before 
conducting a controlled experiment 
a. Distribute letters of consent to hum...
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ATI TEAS 7 SCIENCE TEST BANK 2023-2024 EXAM WITH VERIFIED 100% CORRECT ANSWERS/AGRADE
- Exam (elaborations) • 61 pages • 2023
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ATI TEAS 7 SCIENCE TEST BANK 2023-2024 
EXAM WITH VERIFIED 100% CORRECT 
ANSWERS/AGRADE 
1)Which of the following structures in the male reproductive system secretes a fluid that 
nourishes and protects sperm? 
a. Prostate gland 
b. Urethra 
c. Vas deferens 
d. Epididymis 
2) A scientist has noted a possible relationship between a certain chemical substance found in fish 
and the occurrence. Which of the following preliminary steps should the scientist take before 
conducting a controlled expe...
-
Module 2- genetics Exam With Questions and Answers 100% Solved
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Module 2- genetics Exam With Questions 
and Answers 100% Solved 
What are the four major classes of chromosomal rearrangements? 
a. inversions, duplications, translocations, deletions 
b. duplications, reciprocal translocations, nonreciprocal translocations, inversions 
c. translocations, pericentric inversions, paracentric inversions, deletions 
d. deletions, inversions, duplications, point mutations - answera. inversions, duplications, 
translocations, deletions 
Which type of mutation is most...
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Biology Gizmo: Human Karyotyping questions and answers, Graded A+
- Exam (elaborations) • 1 pages • 2023
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Biology Gizmo: Human Karyotyping questions and answers, Graded A+ 
Which of the karyotypes shown is from a normal female? 
Letter C: karyotype C 
 
 
 
In order from left to right, to which groups do the chromosomes shown belong? 
Letter B: group G, group A, group D, group C 
 
 
 
Describe an individual with the karyotype shown. 
Letter B: a female with Down syndrome 
 
 
 
Describe an individual with the karyotype shown. 
Letter D: an infertile male 
 
 
 
Describe an individual with the karyo...
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Module 2- genetics Exam With Questions and Answers 100% Solved
- Exam (elaborations) • 10 pages • 2024
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Module 2- genetics Exam With Questions 
and Answers 100% Solved 
What are the four major classes of chromosomal rearrangements? 
a. inversions, duplications, translocations, deletions 
b. duplications, reciprocal translocations, nonreciprocal translocations, inversions 
c. translocations, pericentric inversions, paracentric inversions, deletions 
d. deletions, inversions, duplications, point mutations - answera. inversions, duplications, 
translocations, deletions 
Which type of mutation is most...
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Patho-genetic screening (Exam 1, Fall 2022)
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Patho-genetic screening (Exam 1, Fall 2022) 
Chromatin 
located in cells nucleus and contains chromosomes 
Chromosomes 
contain genes, basic units of inheritance 
Genes 
composed of DNA and histones that cause DNA to coil into tightly compressed structure 
Genetic testing 
helps to determine whether an individual carries specific disease-causing mutations 
Carrier screening 
identify heterozygous carriers for many recessive diseases 
-CF 
-Sickle cell 
-Tacy-Sachs 
 
helpful for reproductive dec...
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