You submitted this quiz on Mon 6 May :02 PM IST (UTC +0530). You got a score of out of Your Answer Score Explanation

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1 Feedback Midterm You submitted this quiz on Mon 6 May :02 PM IST (UTC +0530). You got a score of out of Question 1 DNA is Unchangeable Organized into 46 homologous chromosomes A type of protein The universal language of genetics 1.00 Question 2 True or false: Your genes and the environment determine your phenotype. True 1.00 False Question 3 The product of transcription is: 1/13

2 Amino Acids Methylation Proteins RNA 1.00 Question 4 How long can DNA methylation affect patterns of gene expression? 1 year Methylation does not affect gene expression 1-2 days Generations 1.00 Question 5 If the sentence the red hat was big was mutated to the rad hat was big, what kind of mutation has occurred? This is not a mutation An INDEL A deletion A point mutation /13

3 Question 6 Fruit flies can do all of the following EXCEPT: Drink alcohol Box Show aggression Produce milk 1.00 Question 7 How many pairs of homologous chromosomes do humans have? Question 8 When a trait is expressed to a different degree among people with the same genotype, it is called: A broken gene Pleiotropic 3/13

4 Static expressivity Variable expressivity 1.00 Question 9 True or false: Epistasis is where the effect of one gene masks or alters the expression of another gene. True 1.00 False Question 10 About how many different kinds of neurotransmitters do we release into our synapses? 1 Over Question 11 True or false: Polygenic traits are only determined by one gene. 4/13

5 True False 1.00 Question 12 Which neurotransmitter affects both mood and GI tract movement? Insulin Vasopressin Oxytocin Serotonin 1.00 Question 13 True or false: We have more genes than proteins. True False 1.00 Question 14 The on/off switch of a gene is called the: 5/13

6 Protein Enhancer Nucleus Promoter 1.00 Question 15 Unrelated humans share how much of their DNA sequences? 25% 0% 50% 99.9% 1.00 Question 16 True or false: Modern humans have a foramen magnum positioned more similar to an adult than a baby chimp. True False 1.00 Question /13

7 Sahelanthropus is our most likely last common ancestor with: Gorillas The Denisovans Homo floresiensis Chimpanzees 1.00 Question 18 Regions rapidly evolving in humans and not other animals are called: Haplotypes Noncoding regions Genotypes Human accelerated regions 1.00 Question 19 The FOXP2 gene is also known as: The meat gene Eyeless The human accelerated region The language gene /13

8 Question 20 Neanderthal and human genomes are how similar? 85% 100% 18% 99.5% 1.00 Question 21 Approximately how much DNA have Neanderthals contributed to people outside of Africa? 55% 90% 0.5% 2.5% 1.00 Question 22 True or false: We cannot extract useful DNA from fossilized bones of the Red Deer Cave People and Homo floresiensis because the environment where they are found is too dry and cold. 8/13

9 True False 1.00 Question 23 Selection acts on: RNA Amino Acids DNA Traits 1.00 Question 24 True or false: If strong selective pressures have removed most genetic variants, then any variation among people is due to the environment. True 1.00 False Question 25 How many DNA regions did researchers find associated with all 5 major psychiatric disorders (schizophrenia, bipolar disorder, autism, major depression and ADHD) in a genome wide 9/13

10 association study published in The Lancet? 15 Over Question 26 What environmental stress works in combination with the cystic fibrosis allele to cause severe symptoms in patients? A virus Smoking Starvation Pseudomonas aeruginosa 1.00 Question 27 What part of the brain has been shown to have different patterns of activity in democrats and republicans? The thalamus The medulla The brainstem 10/13

11 The amygdala 1.00 Question 28 What chemical do the nerves use to transmit messages between the amygdala and the cingulate cortex? Cortisol DNA Oxytocin Serotonin 1.00 Question 29 True or false: 1% of people from all nations have psychotic disorders. True 1.00 False Question 30 Which of these is NOT a risk factor neuroscientist James Fallon has for being a psychopathic killer? 11/13

12 An inactive orbital cortex All major gene variants linked to aggression The warrior gene Many relatives who were murderers An early exposure to violence 1.00 Question 31 Tame foxes have a much lower level of which chemical(s) than untamed foxes? Oxytocin Dopamine RNA Corticosteroids 1.00 Question 32 Which of these did Dr. David Buss find to be one of the top two most desirable traits across all cultures? Wealth Youth Height Kindness /13

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