Exam (elaborations)
PSS 3421 Exam 1 Questions & Answers 2024/2025
- Course
- Institution
PSS 3421 Exam 1 Questions & Answers 2024/2025
[Show more]
Content preview
PSS 3421 Exam 1 Questions & Answers2024/2025
Mating two organisms produces a 3:1 ratio of the phenotype in progeny. The parental genotypes are -
ANSWERSAa x Aa
The physical appearance of an organism is known as - ANSWERSPhenotype
In plant reproduction process called *Double* Fertilization is when two sperm nuclei fertilize the OOcyte
*nucleus* and __________________ . - ANSWERSTwo polar nuclei
The mode of cell division which results in four daughter cells that are genetically different, with each cell
containing one haploid set of chromosomes, is known as - ANSWERSMeiosis
What will be the phenotype(s) of the F1 offspring of a true-breeding "fabulous" father and a true-
breeding "plain" mother (aabb)? - ANSWERSAll "fabulous"
Prokaryotes are organisms that - ANSWERSLack a cell nucleus or any other membrane-bound organelles
In Labrador retrievers, black coat color is dominant to brown. Suppose that a black Lab is mated with a
brown one and the offspring are 4 black puppies and 1 brown. What can you conclude about the
genotype of the black parent? - ANSWERSThe genotype must be Bb.
A genetically important event called crossing-over occurs during - ANSWERSProphase I
The chromatids in a pair of chromosomes are held together at a specific region of the chromosome
called the - ANSWERSCentromere
How many haploid gametes are formed from one cell during meiosis? - ANSWERS4
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 Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79650 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now