BIO 340 GENETICS, EVOLUTION AND SOCIETY
LECTURE STUDY QUESTIONS AND ANSWERS A+
GRADED SPRING SERIES.
, Short Answers
1. Twin studies (8 points total)
a. Describe briefly the events and timing during development that leads to the
formation of conjoined twins
i. 1 egg cell is fertilized by one sperm however the inner cell mass begins to
separate after the 12th day of fertilization causing the embryos conjoined.
(74% conjoined by the torso.)
b. Which part of the body are mist conjoined twin most often joined
i. The torso
c. On average, what percentage of genetic makeup is shared by any pair of
non-identical siblings?
i. 50%
d. Is this percentage the same as you would expect for a parent child
relationship? (Yes or no)
i. Yes
2. Heritability studies (4 points total)
a. What value (or parameter) is commonly used as an estimate of heritability
from a regression analysis
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller saraciousstuvia. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R279,34. You're not tied to anything after your purchase.
