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Sexual reproduction in animals depends on the production of gametes. Which of these processes produces gametes in animals?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
Which phase of mitosis is occurring when chromosomes are being pulled apart?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
Nondisjunction is an error that occurs during meiosis when a gamete doesn’t receive a copy of one chromosome. Which technique could be used to reveal this abnormality?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
Which phase of mitosis is occurring when chromsomes line up in the center of the cell?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
Which phase of mitosis is shows a clevage furrow produced?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
What is Genotype?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
What is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction.
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
Most sex-linked, recessive traits—including hemophilia and color-blindness—appear in males. This phenomenon is best explained by which statement?
Crossing-over
Meiosis
in males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.
genetic makeup of an organism; shown as letters
Metaphase
gel electrophoresis
Telophase
Anaphase
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