Week 8: Laws of Inheritance Answers

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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.
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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
6

What is a gene?

A
the different forms of a trait
B
a segment of DNA that is the basic unit of heredity
C
the appearance or characteristics that are seen in an organism
D
an organism's allele combination
8

What does the notation Rr mean to geneticists?

A
heterozygous alleles
B
homozygous alleles
C
dominant alleles
D
recessive alleles
10

Which of Mendel's laws or principles states that gametes carry one allele for each trait?

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

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