When does "crossing over" of genes occur?

All of these options are correct

Both Prophase I and Prophase II of meiosis, but not Prophase of mitosis

During which phase are homologous chromosomes lined up together side-by-side in pairs along the center of the cell?

All of these options are correct

None of these options is correct

These homologous chromosomes carry different versions of the "A" and "B" genes. How could crossing-over affect the distribution of A, a, B, and b?

Crossing over would sometimes, but not always, exchange the positions of A and a, and of B and b, on homologous chromosomes.

Crossing over would always keep A and B together on the same chromosome, and keep a and b together on the same chromosome.

Crossing over would always put A and B on different chromosomes, and always put a and b on different chromosomes.

Crossing over would sometimes, but not always, delete one or more of the four alleles from both homologous chromosomes.

Observe the image (click it to make it larger). Based on this image, what conclusion can we make?

Nondisjunction occurred in meiosis II

Sister chromatids separated during meiosis I

Crossing-over only occurred in meiosis II, but not meiosis I

Homologous chromosomes failed to separate in meiosis I

Which statement correctly describes events that occur in anaphase II (anaphase 2)?

Sister chromatids are separated at the centromere and pulled by spindle fibers to opposite poles of the cell.

Spindle fibers dissolve; nuclei form around each group of chromosomes in each daughter cell.

Spindle fibers line up homologous chromosomes side-by-side in the middle of the cell.

Spindle fibers pull each homologous chromosome towards opposite poles of the cell, separating the pair.

Which of the following events is true for meiosis, but not true for mitosis?

Homologous chromosomes pair up to form a tetrad and exchange genetic information.

Sister chromatids separate and move towards opposite poles of the cell.

Chromosomes line up in a single-file row at the middle of the cell.

DNA replication occurs during S phase of interphase beforehand

A species of primate has 48 chromosomes in its diploid cells. In a particular female, cell division goes wrong and one of her egg cells is produced with an extra chromosome (25 instead of 24). The most probable source of this error would be a mistake in which of the following?

During mitosis in the formation of her ovary

During tetrad formation in Prophase I

During either Telophase I or II

The types of cells that undergo the process represented in this image are...

stem cells that form the placenta

Ch. 12.4 Meiosis Quiz (Honors)

Quiz

•

Biology

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-2, HS-LS1-4, HS-LS3-1

Standards-aligned

Emily Tombleson

Used 85+ times

FREE Resource

20 questions

Show all answers

1.

MATCH QUESTION

5 mins • 1 pt

Match the following for mitosis and meiosis.

Haploid

Makes 2 genetically identical cells

Diploid

Makes 4 genetically unique cells

Mitosis

Goes through interphase at the beginning

Meiosis

This refers to the type of daughter cells at the end of mitosis

Both

This refers to the type of daughter cells at the end of meiosis

Tags

NGSS.HS-LS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Observe the image. Which of the following correctly describes what this image represents?

Point mutation of a gene

Nondisjunction

Chromosomal mutation resulting in loss of genes

Tetrad formation and crossing-over

Tags

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What phase is represented by the image shown here?

Cytokinesis I

Metaphase II

Telophase II

Anaphase I

Prophase I

Tags

NGSS.HS-LS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process is being represented in this diagram?

nondisjunction

mitosis

meiosis

transcription

DNA replication

Tags

NGSS.HS-LS3-2

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

If a normal gamete of an organism contains 12 chromosomes, how many chromosomes should be present in a normal skin cell of the same organism? (Type in the number)

Tags

NGSS.HS-LS3-2

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Gametes include (select all that apply)

skin cells

sperm cells

egg cells

muscle cells

bone cells

Tags

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chromosomes does a gamete have compared to a non-gamete body cell?

twice as many

the same amount

the same, but replicated

half as many

Tags

NGSS.HS-LS3-2

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Ch. 12.4 Meiosis Quiz (Honors)

20 questions

Match the following for mitosis and meiosis.

Observe the image. Which of the following correctly describes what this image represents?

What phase is represented by the image shown here?

What process is being represented in this diagram?

If a normal gamete of an organism contains 12 chromosomes, how many chromosomes should be present in a normal skin cell of the same organism? (Type in the number)

Gametes include (select all that apply)

How many chromosomes does a gamete have compared to a non-gamete body cell?

The matching pair of chromosomes you inherit from your genetic parents is called

When does "crossing over" of genes occur?

During which phase are homologous chromosomes lined up together side-by-side in pairs along the center of the cell?

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