bio 9

10問 • 1年前

問題一覧

Which three processes occur during meiosis?

Crossing over, Formation of gametes, Independent assortment

A researcher demonstrates that fish species in a freshwater aquatic environment show genetic variation in each generation. Which property in fish species explains this variation?

Their reproductive cells perform meiosis.

Why is meiosis important for sexual reproduction?

Meiosis reduces the number of chromosomes.

In meiosis, separation of homologous chromosomes occurs during ______________ while separation of sister chromatids occurs during ________________

anaphase I, anaphase II

Which of the following are true of this process? Choose 3.

it increases genetic diversity in offspring, it occurs during prophase I, it can occur between homologous chromosomes

What is the correct order of mitosis?

prophase, metaphase, anaphase, telophase

What is the result of mitosis of one diploid cell?

2 genetically identical diploid cells

Humans have 23 different chromosomes. In a typical liver cell, the total number is 46 chromosomes. After mitosis of a human liver cell, how many chromosomes are in each daughter cell?

How does a somatic cell that has just completed the S phase of its cell cycle compare to one that is in G1?

It has twice the amount of DNA.

Why does chromatin condense into chromosomes for cell division?

To allow the chromosomes to move without becoming entangled and breaking

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ユーザ名非公開 · 24問 · 11ヶ月前

bio 13

24問 • 11ヶ月前

ユーザ名非公開

問題一覧

Which three processes occur during meiosis?

Crossing over, Formation of gametes, Independent assortment

A researcher demonstrates that fish species in a freshwater aquatic environment show genetic variation in each generation. Which property in fish species explains this variation?

Their reproductive cells perform meiosis.

Why is meiosis important for sexual reproduction?

Meiosis reduces the number of chromosomes.

In meiosis, separation of homologous chromosomes occurs during ______________ while separation of sister chromatids occurs during ________________

anaphase I, anaphase II

Which of the following are true of this process? Choose 3.

it increases genetic diversity in offspring, it occurs during prophase I, it can occur between homologous chromosomes

What is the correct order of mitosis?

prophase, metaphase, anaphase, telophase

What is the result of mitosis of one diploid cell?

2 genetically identical diploid cells

Humans have 23 different chromosomes. In a typical liver cell, the total number is 46 chromosomes. After mitosis of a human liver cell, how many chromosomes are in each daughter cell?

How does a somatic cell that has just completed the S phase of its cell cycle compare to one that is in G1?

It has twice the amount of DNA.

Why does chromatin condense into chromosomes for cell division?

To allow the chromosomes to move without becoming entangled and breaking