Answers25.26 TCEC BIO 1Evolutionary Relationships

Evolutionary Relationships — Cumulative exam Answers

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What hypothesis did Darwin investigate by studying the breeding of pigeons with distinctive traits?

A
New species can appear gradually through small changes in an ancestral species.
B
The amount of variation in a population is related to the type of environment it lives in.
C
Organisms have only the number of offspring that are supported by the environment.
D
Some traits appear in each generation, while others seem to disappear in some generations.
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Which scenario breaks the law of segregation?

A
a gamete contains the father’s allele
B
the gametes produced each have 1 allele after meiosis II
C
a gamete produced has 2 of the same alleles after meiosis II
D
the gamete fertilized has the dominant trait
24

Which blood type could be given as a transfusion for patient with AB blood when the RH factor is unknown?

A
O+
B
A+
C
AB+
D
AB–
25

Which animals use the specialized roles of diver and barrier while participating in cooperative hunting?

A
ants
B
zebra
C
bottlenose dolphins
D
wildebeests

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