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1. only one chromosome of a homologous pair is present in a cell

2. sister chromatids seperate

3. homologous chromosomes pair up

4. parent cell and daughter cells are genetically identical to each other

5. chromosomes replicate before nuclear division

6. crossing over

7. involved in growth and repair

8. homologous chromosomes separate

9. synthesis of sister chromatids before division

10. independent assortment

Answer Choices:

A. occurs ONLY in meiosis

B. occurs in BOTH mitosis and meiosis

C. occurs ONLY in mitosis

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Hubert Koch
Hubert KochLv2
28 Sep 2019
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Related questions

Determine whether the following applies to mitosis, meiosis, orboth; also identify the specific stage of cell division thatapplies (e.g. mitosis prophase, meiosis anaphase II, etc)



1) chromosomes pairs line up across the center of the cell


2) sister chromatids seperate


3) spindle fibers separate homologous chromosomes


4) 4 haploid daughter cells are produced


5) a cell 1st undergoes DNA replication


6) chromosomes line up single file across the middle of thecell


7) sister chromatids separate from each other


8) 2 haploid daughter cells form


9) the nuclear membrane re forms


10) spindle fibers attach to pairs of homologous chromosomes


11) the nuclear membrane begins to dissolve


12) centrosomes duplicate


13) synapsis and crossing over occurs


14) 2 diploid daughter cells form

3)During Metaphase I of meiosis, microtubules called spindle fibers attach to the

homologous pairs of each chromosome

non-homologous pairs of each chromosome

non-sister chromatids of each chromosome

chiasmata of each chromosome

centrosome of each chromosome

4)Which meiotic process generates genetic diversity?

Independent assortment

Transcription

Mitosis

Translation

5)Crossing over:

Occurs between two homologous chromosomes in Meiosis

Occurs only in Mitosis

Can occur in Mitosis and Meiosis

Involves the exchange of DNA between two chromosomes

Involvs the exchange of centromeres between two chromosomes

-Complete the following sentences: metaphase of mitosis, prophase II of meiosis, crossing over, anaphase I of meiosis, variable, random fertilization, identical, random orientation, metaphase I of meiosis, prophase I of meiosis, metaphase II of meiosis, reduction division

Two processes that occur during meiosis produce genetically ____________ cells.

In a process called ____________ , paired homologous chromosomes align randomly at the cell equator. This occurs during this stage of cell division: ____________ .

In a process called ____________ , genetic material is exchanged between homologous chromosomes. This occurs during this stage of cell division: ____________ .

-Complete the following paragraph to describe nondisjunction and the resulting effects on chromosome number.

words: euploidy, primary nondisjunction, nomal, nondisjunction, secondary nondisjunction, homologous chromosomes, abnormal, trisomy, monosomy, sister chromatids, aneuploid

1.During meiosis I, ____________ separate and move towards opposite ends of the poles.

2.During meiosis II, ____________ separate and move towards opposite ends of the poles.

3.During meiosis I, if both members of a homologous pair go into the same daughter cell, ____________ is said to occur and no normal gametes are produced.

4.During meiosis II, if the sister chromatids fail to separate and both daughter chromosomes go into the same gamete, ____________ is said to occur. Half the gametes are aneuploid while the other half are euploid.

5.If an egg that contains 24 chromosomes instead of 23 chromosomes is fertilized by a normal sperm, ____________ is said to have occurred.

6.If an egg that contains 22 chromosomes instead of 23 chromosomes is fertilized by a normal sperm, ____________ is said to have occurred.

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