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Homework answers / question archive / Question 1 1 / 1 pts In Europe during the Middle Ages, it was most commonly believed that: most species had become extinct over time all species had evolved from a common ancestor all forms were created by God and did not change over time life was created slowly, over millions of years Question 2 1 / 1 pts A phenotype is: expression of an individual's genetic make-up variation of a gene segment of DNA that codes for a trait the combination of alleles an individual has Question 3 1 / 1 pts According to the principle of independent assortment there is a __________chance that any yellow pea plant will produce either smooth or wrinkled peas
Question 1
1 / 1 pts
In Europe during the Middle Ages, it was most commonly believed that:
most species had become extinct over time
all species had evolved from a common ancestor
all forms were created by God and did not change over time
life was created slowly, over millions of years
1 / 1 pts
A phenotype is:
expression of an individual's genetic make-up
variation of a gene
segment of DNA that codes for a trait
the combination of alleles an individual has
1 / 1 pts
According to the principle of independent assortment there is a __________chance that any yellow pea plant will produce either smooth or wrinkled peas.
25%
50%
0%
75%
1 / 1 pts
The fact that individuals who possess favorable traits are more likely to survive and reproduce than those who possess less favorable traits is the basis for which theory?
Natural selection
Uniformitarianism
Catastrophism
The inheritance of acquired characteristics
1 / 1 pts
An individual with two identical alleles at a locus is
heterozygous
homozygous
dominant
independent
1 / 1 pts
Which of the following types of natural selection favors the average of a trait?
balancing selection
sexual selection
directional selection
stabilizing selection
0 / 1 pts
When Mendel crossed true-breeding yellow and green parental plants in the F0 generation, what was produced?
all the offspring were green
all the offspring were yellow
the offspring were intermediate in color relative to the two parent plants
half the offspring were yellow, the other half were green
1 / 1 pts
What is the view that the extinction and the subsequent appearance of more modern forms could be explained by a series of disasters and creations?
Uniformitarianism
Use-disuse theory
Catastrophism
Natural selection
1 / 1 pts
Chromosomes
contain DNA
come in homologous pairs
in humans number 23 pairs (46 total)
all of these
1 / 1 pts
Meiosis:
can produce new combinations of alleles that can be inherited
produces two identical daughter cells
is responsible for normal body growth of organisms
refers to the cell division that takes place throughout the body
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