100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
PSS 3421 Final Exam 1 Questions & Answers 2024/2025 CA$11.51   Add to cart
Quickly navigate to
Preview
  2.  
  3. PSS 3421
  4.  
  5. PSS 3421

Exam (elaborations)

PSS 3421 Final Exam 1 Questions & Answers 2024/2025
 7 views  0 purchase
  • Course
  • PSS 3421
  • Institution
  • PSS 3421

PSS 3421 Final Exam 1 Questions & Answers 2024/2025 Gender is determined in humans as: - ANSWERSXY for males and XX for females Barr bodies are: - ANSWERSAn inactive X chromosome in females, and explains why having two X chromosomes is not harmful, and a spot seen in the nucleus of cheek ce...

[Show more]

Preview 2 out of 6  pages

Document information

  • August 14, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • pss 3421 final exam 1 questions answers 2024202

Written for

  • PSS 3421
  • PSS 3421

Seller

avatar-seller
Bensuda

Reviews received

Content preview

PSS 3421 Final Exam 1 Questions &
Answers 2024/2025

Gender is determined in humans as: - ANSWERSXY for males and XX for females



Barr bodies are: - ANSWERSAn inactive X chromosome in females, and explains why having two X
chromosomes is not harmful, and a spot seen in the nucleus of cheek cells of human females



What is the association of the Y chromosome and gender in fruit flies? - ANSWERSGender is determined
by both the number of X chromosomes and the number of autosomes



Gender in some reptiles may be determined by: - ANSWERSThe temperature that the egg was incubated
at



Chromosomes exist in groups of how many diploid organisms? - ANSWERSTwo



In meiosis, the products: - ANSWERSAre cells that contain half the normal (somatic) number of
chromosomes

And Eventually may become egg or sperm (pollen) cells



Fill in the correct completion of the following sentence: In the cell cycle, - ANSWERScells spend most of
their time doing other things than dividing



Oogenesis means - ANSWERSthe production of egg cells



If red and white flowers are crossed and pink flowers are obtained in the F1 generation, this is called -
ANSWERSIncomplete dominance



Which of these is true of lethal alleles? - ANSWERSTheir genes code for a product that is essential for
survival

, The ABO blood group system is an example of - ANSWERSThe presence of multiple alleles of one gene



Genetic ratios in the F2, such as 9:7 or 9:3:4 are the result of - ANSWERSThe presence of two genes that
together determine the phenotype of a single trait



Mendel's 3:1 and and 9:3:3:1 ratios in the F2 mean that: - ANSWERSApproximately these ratios are
expected in the F2: chance deviation means that these ratios may be close but may not be exact



A null hypothesis is a hypothesis that: - ANSWERSNo real difference exists between the measured data
and the predicted values



The result of the chi-squared test is - ANSWERSBoth acceptance or disproof of the null hypothesis and a
probability value telling what the chance is that the results don't match the hypothesis



A p-value of 0.05 means that - ANSWERSThe observed deviation between actual and expected values
will occur by chance 5% of the time



Modern genetics began with the work of which person? - ANSWERSGregor Mendel



This work on genetics was done with which organism? - ANSWERSpeas



The traits that were part of this analysis were: - ANSWERSShape, color, and size



The four postulated that are the basis of modern genetics are called: - ANSWERSAlleles/ dominance/
segregation/ independent assortment



Which one of the following is the best answer regarding sex determination? - ANSWERSIn humans, XX is
female and XY is male

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 CA$11.51. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

72042 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$11.51
  • (0)
  Add to cart