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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

Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?

a. prophase

b. prometaphase

c. metaphase

d. anaphase

Chemotherapy drugs such as vincristine (derived from Madagascar periwinkle plants) and colchicine (derived from autumn crocus plants) disrupt mitosis by binding to tubulin (the subunit of microtubules) and interfering

with microtubule assembly and disassembly. Exactly what mitotic structure is targeted by these drugs and what effect would that have on cell division?

The chromosomes become visible under a light microscope during which stage of mitosis?

a. prophase

b. prometaphase

c. metaphase

d. anaphase

Many of the negative regulator proteins of the cell cycle were discovered in what type of cells?

a. gametes

b. cells in G0

c. cancer cells

d. stem cells

___________ 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
See all solutions

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