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Chapter 11: Q. 9 (page 294)

If a muscle cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism?

a. 8

b. 16

c. 32

d. 64

Short Answer

Expert verified

The correct option is b.

Step by step solution

01

Step 1. Introduction

Somatic cells are diploid (2n) while gametes are haploid (n).

02

Step 2. The explanation for the correct option

Option b is correct because muscle cell is a somatic cell or diploid (2n) while gamete is a haploid (n). During meiosis haploid gametes (sperm or eggs) are formed from the diploid parent鈥檚 cell. So, 16 chromosomes will be present in the gametes of that organism.

03

Step 3. Explanation for the incorrect options

Option a is incorrect because 16 chromosomes will be present in the gametes of that organism instead of 8.

Option c is incorrect because 16 chromosomes will be present in the gametes of that organism instead of 32.

Option d is incorrect because 16 chromosomes will be present in the gametes of that organism instead of 64.

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Most popular questions from this chapter

What is the function of the fused kinetochore found on sister chromatids in prometaphase I?

A diploid, multicellular life-cycle stage that gives rise to haploid cells by meiosis is called a ________.

a. sporophyte

b. gametophyte

c. spore

d. gamete

Why would an individual with a mutation that prevented the formation of recombination nodules be considered less fit than other members of its species?

How do telophase I and telophase II differ during meiosis in animal cells?

a. Cells remain diploid at the end of telophase I, but are haploid at the end of telophase II.

b. Daughter cells form a cell plate to divide during telophase I, but divide by cytokinesis during telophase II.

c. Cells enter interphase after telophase I, but not after telophase II.

d. Chromosomes can remain condensed at the end of telophase I, but decondense after telophase II.

Which type of life cycle has both a haploid and diploid multicellular stage?

a. asexual life cycles

b. most animal life cycles

c. most fungal life cycles

d. alternation of generations
See all solutions

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