Exam (elaborations)

Ch-14 Mendel and the Gene Idea midterm Quiz w/ answer key

0 purchase

Course
Genetics

Institution
Genetics

This is a midterm exam for chapter 14 of Campbell biology with answers to help you prepare to get an A+ in the course. It covers all major concepts likely to be your own college or university exam

[Show more]

Preview 2 out of 7 pages

View example

Uploaded on November 5, 2024
Number of pages 7
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

CA$3.64

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

Chapter 14: Mendel and the Gene Idea

1. Which of the following describes a genotype?
○ a) Tall plant
○ b) Aa
○ c) Green seeds
○ d) Yellow flowers
2. The law of segregation states that:
○ a) Each allele segregates independently
○ b) Alleles segregate during gamete formation
○ c) Dominant traits are always expressed
○ d) Genes are located on chromosomes
3. In a monohybrid cross, the F2 generation ratio is:
○ a) 3:1
○ b) 1:2:1
○ c) 9:3:3:1
○ d) 1:1:1:1
4. What is the expected phenotypic ratio in a dihybrid cross?
○ a) 9:3:3:1
○ b) 3:1
○ c) 1:1:1:1
○ d) 1:2:1
5. If a pea plant has a genotype of Tt, what does it mean?
○ a) It is homozygous recessive
○ b) It has two dominant alleles
○ c) It has one dominant and one recessive allele
○ d) It is homozygous dominant
6. A testcross is used to:
○ a) Determine the genotype of an individual
○ b) Determine the phenotype of an individual
○ c) Test for genetic disorders
○ d) Create new alleles
7. Mendel’s law of independent assortment applies to:
○ a) Genes located on the same chromosome
○ b) Genes located on different chromosomes
○ c) Genes that do not assort independently
○ d) Genes that are linked
8. A dominant allele:
○ a) Is masked by a recessive allele
○ b) Determines the organism’s appearance if present
○ c) Is always the most common allele
○ d) Must be inherited from both parents
9. Which of the following is an example of codominance?
○ a) Pink flowers from red and white parents
○ b) Blood type AB
○ c) Green peas from yellow and green parents
○ d) Blue eyes from brown-eyed parents

, 10. What is the probability of getting a homozygous recessive offspring from two
heterozygous parents?
○ a) 1/2
○ b) 1/4
○ c) 1/8
○ d) 1/16
11. Incomplete dominance is demonstrated when:
○ a) Both alleles are equally expressed
○ b) One allele is completely dominant over the other
○ c) The heterozygote phenotype is intermediate
○ d) Alleles blend to form a new trait
12. Which type of cross examines the inheritance of a single trait?
○ a) Monohybrid cross
○ b) Dihybrid cross
○ c) Trihybrid cross
○ d) Polygenic cross
13. How many alleles for each gene are present in a gamete?
○ a) One
○ b) Two
○ c) Three
○ d) Four
14. Which of the following is a true statement about alleles?
○ a) Alleles are different forms of the same gene
○ b) Alleles are identical versions of the same gene
○ c) Alleles are only found in recessive traits
○ d) Alleles cannot be inherited
15. A dihybrid cross involves organisms that are heterozygous for how many traits?
○ a) One
○ b) Two
○ c) Three
○ d) Four
16. What is a phenotype?
○ a) The genetic makeup of an organism
○ b) The physical appearance of a trait
○ c) A type of genetic disorder
○ d) A type of gene mutation
17. Which process is used to determine the probability of traits in the offspring?
○ a) Punnett square
○ b) Gene mapping
○ c) DNA sequencing
○ d) Cloning
18. How are dominant and recessive alleles represented in Mendelian genetics?
○ a) Dominant alleles with uppercase letters, recessive alleles with lowercase
letters
○ b) Both alleles with uppercase letters
○ c) Both alleles with lowercase letters
○ d) Dominant alleles with symbols, recessive alleles with numbers
19. What is the principle of dominance?

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller SylvieJacobs. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$3.64. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73527 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling