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Probability of Inheritance Answers

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The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many scientists. Evolution by way of natural selection is most likely which type of concept?

A
an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation
B
a likelihood based on the chance that a particular event will or will not occur during an experiment
C
a testable explanation or answer to a scientific question based on prior knowledge or research
D
a statement of fact that is accepted as true because it has always been observed to be true through observations and experimentation
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Which statement summarizes the law of segregation?

A
Gametes are passed in pairs, groups, or sets.
B
Traits that are dominant mask traits that are recessive.
C
Gametes carry one allele for each trait.
D
Traits are passed independently of one another.
3

Which of Mendel's laws or principles explains that traits are passed from parents to offspring individually instead of as pairs, groups, or sets?

A
the principle of dominance
B
the law of independent assortment
C
the law of segregation
D
the principle of genetics
4

Parents that are heterozygous for having freckles (dominant) are crossed. Which correctly describes their offspring?

A
Twenty-five percent have freckles.
B
Twenty-five percent are Ff.
C
Seventy-five percent have freckles.
D
Seventy-five percent are Ff.
5

Which type of scientific statement is defined as "a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable"?

A
hypothesis
B
theory
C
law
D
probability

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