Quiz #3 answers
Correct answers in bold (5 points) The figure to the right shows a chromosome during mitotic metaphase. Which term best describes the structure of this chromosome? (Note: see bottom left panel of...
View ArticleGenetics in the News: Gene Editing
BI311 student Megan Criss shared an interesting article about gene editing from the LA Times – you can read it here! The post Genetics in the News: Gene Editing appeared first on Prof. Denver's...
View ArticleHW #6 answers
12.1: (b) Formation of crosslinked thymine dimers. 12.2: Such people are somatic mosaics, a condition that can be explained by somatic mutations in the pigmented cells of the iris of the eye or in...
View ArticleWeek 6 Reflections
This week we wrapped up a little bit of recombination, then turned our focus toward mutation and then cancer genetics. We turned attention to the molecular mechanisms of DNA recombination, overviewing...
View ArticleA few example questions from last year’s Midterm #2
Here are a few questions from last year’s Midterm #2 to help with your studying. Answers will appear on the blog in a few days. #7. (3 points) In domestic cats, an X-linked gene influences coat...
View ArticleAnswers for questions from last year’s Midterm #2
#7: D, dosage compensation #13: D, 0.0001 #20: Cyclins tether specific target proteins and bring them to the complex; CDKs phosophorylate those target proteins to change their structure/function. #21:...
View ArticleAnswers to HW #7
8.4: MALISASY (in single-letter amino acid code) 8.9: 5’-AUU = Isoleucine at amino terminus of protein; UUA-3’ = Leucine at carboxy terminus 8.10: This encodes the alternating polypeptide Cys-Val...
View ArticleIn-Body Gene Editing article
Thanks to student Alexis Frantz for sharing this interesting news story about human gene editing. You can find it here. The post In-Body Gene Editing article appeared first on Prof. Denver's Genetics...
View ArticleAnswers to HW #8
Chapter 9: 9.3: (a) One mutation that might cause the constitutive phenotype is a mutation in an operator region of the enzyme-coding gene that makes it insensitive to repression. The second is a...
View ArticleWeek 8 Reflections
We started the week discussing gene regulation – how cellular systems regulate the amounts of protein products (RNA, protein). The famous lac operon system was introduced; this set of genes in E. coli...
View ArticleEvolution on the Galapagos
BI311 student Alyx Abraham shared a great article about fast evolution of finches on the Galapagos – check it out here! The post Evolution on the Galapagos appeared first on Prof. Denver's Genetics Blog.
View ArticleQuiz #4 Answers
correct answers in bold #1 (5 points) How can the abundance and function of a gene’s products (RNA, protein) be regulated inside the cell? A. At the level of transcription, synthesis of a RNA molecule...
View ArticleQuiz #5 Answers
Correct answers in Bold. #1. (5 points) When population size is large and mutation rates are low (~10-8), as an evolutionary force mutation is generally characterized as: A. Strong B. Weak C. Balancing...
View ArticleWeek 9 & 10 Reflections
We focused on natural selection as an evolutionary-genetic force during the Tuesday lectures of Weeks 9 and 10. Natural selection is a force that can be quantified by considering relative fitness (w),...
View ArticleNeed a study break?
Check out this CNN special investigation: Scientists perform DNA tests on ‘yeti’ samples The post Need a study break? appeared first on Prof. Denver's Genetics Blog.
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