BSC 101: Fundamental Concepts in Biology Exam 1
questions with accurate answers
2 ways to define evolution Ans✓✓✓ -micro evolution
-macro evolution
adenine pairs with Ans✓✓✓ thymine
all the genetic variation we observe in populations originally arose
through a mutation Ans✓✓✓ true
allele Ans✓✓✓ Different forms of a gene
allopatric speciation Ans✓✓✓ 1. populations become geographically
separated
2. gene flow is interrupted
3. genetic and phenotype changes accumulate
4. reproduction becomes less and less likely and eventually impossible
analogous structures Ans✓✓✓ structures that do not have a common
evolutionary origin but are similar in function
biological fitness Ans✓✓✓ the degree to which an individual can
reproduce and have its genes represented in the next generation
, biological species Ans✓✓✓ group of organisms who are able to mate
and produce viable offspring
causes of mutation Ans✓✓✓ -error in DNA replication
-mutagens
characteristics of scientific theory Ans✓✓✓ -many lines of converging
evidence
-no contradictory evidence
-explains a vast range of observations
consequences of a mutation Ans✓✓✓ 1. neutral- no change in
phenotype
2. beneficial- increased fitness
3. negative- reduced fitness
cytosine pairs with Ans✓✓✓ Guanine
dependent variable Ans✓✓✓ the thing we measure
Do we use the word proof? Ans✓✓✓ no
dominant = Ans✓✓✓ 1
questions with accurate answers
2 ways to define evolution Ans✓✓✓ -micro evolution
-macro evolution
adenine pairs with Ans✓✓✓ thymine
all the genetic variation we observe in populations originally arose
through a mutation Ans✓✓✓ true
allele Ans✓✓✓ Different forms of a gene
allopatric speciation Ans✓✓✓ 1. populations become geographically
separated
2. gene flow is interrupted
3. genetic and phenotype changes accumulate
4. reproduction becomes less and less likely and eventually impossible
analogous structures Ans✓✓✓ structures that do not have a common
evolutionary origin but are similar in function
biological fitness Ans✓✓✓ the degree to which an individual can
reproduce and have its genes represented in the next generation
, biological species Ans✓✓✓ group of organisms who are able to mate
and produce viable offspring
causes of mutation Ans✓✓✓ -error in DNA replication
-mutagens
characteristics of scientific theory Ans✓✓✓ -many lines of converging
evidence
-no contradictory evidence
-explains a vast range of observations
consequences of a mutation Ans✓✓✓ 1. neutral- no change in
phenotype
2. beneficial- increased fitness
3. negative- reduced fitness
cytosine pairs with Ans✓✓✓ Guanine
dependent variable Ans✓✓✓ the thing we measure
Do we use the word proof? Ans✓✓✓ no
dominant = Ans✓✓✓ 1
