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Chapter 10: Q. 3 (page 276)

A diploid cell has_______ the number of chromosomes as a haploid cell.

a. one-fourth

b. half

c. twice

d. four times

Short Answer

Expert verified

The correct option is C.

Step by step solution

01

Step. 1 Introduction

Any diploid cell is the one with two full chromosome sets.

02

Step. 2 Explanation for correct answer

A typical haploid cell contains 23 chromosomes, but a human diploid cell comprises 46.

03

Step. 3 Explanation for incorrect option

Option a. Cells that are diploid have 2 types of chromosomes in these cells. It is composed of 2 haploid cells fused together. Thus this option is incorrect.

Option b. If there were half chromosomes present then it would be half of 23 that is 11.5 which is not possible. Thus this option is incorrect.

Option d. 92 chromosomes would be present if the amount of chromosomes is four times, which is not possible. Thus this option is incorrect.

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Most popular questions from this chapter

Figure 10.6 Which of the following is the correct order of events in mitosis?

a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate.

b. The kinetochore becomes attached to the mitotic spindle. Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and

the cell divides.

c. The kinetochore becomes attached to the cohesin

proteins. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides.

d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the

cell divides.

___________ are changes to the order of nucleotides in a segment of DNA that codes for a protein.

a. Proto-oncogenes

b. Tumor suppressor genes

c. Gene mutations

d. Negative regulators

Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis?

a. prometaphase

b. metaphase

c. anaphase

d. telophase

Chromosomes are duplicated during what stage of the cell cycle?

a. G1 phase

b. S phase

c. prophase

d. prometaphase

Describe how the duplicated bacterial chromosomes are distributed into new daughter cells without the direction of the mitotic spindle.
See all solutions

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