Module 2 Exams; All Versions Latest Update/ Verified
Institution: Portage Learning
Course Code: BIOL 210/ BIOD 210
Course Title: Genetics
Exam: Module 2
Assessment Type: Examination
Edition: Updated Version
Student Name: _______________________________
Student Id: _________________________________
Instructor: _________________________________
Instructions:
Answer All Questions.
Choose The Correct Answer
QUESTIONS TYPE:
➢ Multiple Choice:
➢ True Or False:
➢ Explain/Describe/ Identification
➢ Fill In The Blank
➢ Short Answer
All The Best!!
,1. [Short Answer Question]
What Is A Karyotype?
ANS. A Snapshot Taken Under A Microscope Of A Person's Genetic Makeup
Explanation: A Karyotype Shows The Number And Structure Of Chromosomes.
2. [Short Answer Question]
What Is Sickle Cell Anemia?
ANS. A Genetic Disorder Caused By A Homozygous Gene That Expresses As A
Mutated Beta-Globulin Protein. Causes Rbcs To Change Shape, Making Them Unable
To Carry Oxygen.
Explanation: The Mutation Leads To Abnormal Hemoglobin And Distorted Red Blood
Cells.
3. [Short Answer Question]
What Is BRCA Mutation?
ANS. A Genetic Mutation That Inables The Body's Ability To Repair DNA. Increases
Risk Of Breast Or Ovarian Cancer By 80%
Explanation: BRCA Genes Normally Help Repair DNA Damage.
4. [Definition Question]
What Is A Trait
ANS. A Distinguishing Characteristic Of An Organism
Explanation: Traits Can Be Physical Or Behavioral.
5. [Explain/Describe Question]
, Mendel's First Postulate Of Inheritance
ANS. Genetic Characteristics Are Controlled By Unit Factors (Genes) Existing In Pairs
In Individual Organisms
Explanation: Each Organism Inherits Two Alleles For Each Trait.
6. [Explain/Describe Question]
Mendel's Second Postulate Of Inheritance
ANS. When Two Unlike Unit Factors Responsible For A Single Characteristic Are
Present In An Individual, One Unit Factor Is Said To Be Dominant To The Other, Which
Is Said To Be Recessive.
Explanation: Dominant Alleles Mask Recessive Ones.
7. [Explain/Describe Question]
Mendel's Third Postulate Of Inheritance
ANS. During The Formation Of Gametes, The Paired Unit Factors Separate, Or
Segregate, Randomly So That Each Gamete Receives One Or The Other With Equal
Likelihood.
Explanation: This Is The Law Of Segregation.
8. [Definition Question]
What Is An Allele?
ANS. Alternative Variations Of A Given Gene That Produce Different Traits.
Explanation: Alleles Determine Variations In Traits.
9. [Explain/Describe Question]
Mendel's 4th Postulate