Anonymous
Anonymous asked in 科學生物學 · 1 decade ago

5題英文生物遺傳學問題!*10點*

1.The result of one human cell after meiosis is

a. two identical cells

b. four cells, each with half the number of chromosomes as the parent

c. four cells, each with forty-four autosomes and two sex chromosomes

d. one cell with an extra twenty-first chromosome

2.A gamete is defined as

a. a sex cell

b. having forty autosomes and two sex chromosomes

c. a normal body cell

d. chromosomes separation in mitosis

3.During metaphase I of meiosis I

a. the chromosomes line up single file in the center of the cell

b. chromosomes pull apart

c. DNA replicates

d. chromosomes line up across from their homologue

4.What organisms did Gregor Mendel do his experiments on?

a. rabbits

b. fruit flies

c. pea plants

d. mice

5.A trait that is not expressed when paired with a dominant allele is the definition of

a. recessive

b. dominant

c. heterozygote

d. homozygote

Update:

感謝!

我還有幾題有問題 請問可以請你在回答嗎?

或是方便跟我聯絡?

1 Answer

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  • 1 decade ago
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    1.The result of one human cell after meiosis is

    一個人體細胞經減數分裂,會得到:

    b. four cells, each with half the number of chromosomes as the parent

    2.A gamete is defined as

    配子是指:

    a. a sex cell

    3.During metaphase I of meiosis I

    第一階段減數分裂的中期I,其情形為:

    a. the chromosomes line up single file in the center of the cell

    4.What organisms did Gregor Mendel do his experiments on?

    孟德爾作實驗時,所使用的材料為:

    c. pea plants

    5.A trait that is not expressed when paired with a dominant allele is the definition of

    在有一個顯性對偶基因下,其不表現的性狀,稱為:

    a. recessive

    若有錯誤,請不吝指正!

    Source(s): 自己
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