Multiple Choice
Germ cells are diploid.
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17. Meiosis and Sexual Reproduction
Basics of Meiotic Genetics
Multiple Choice
In humans, is a typical skin cell haploid or diploid, and why?
A
Haploid, because it is produced by meiosis and contains one set of chromosomes (n).
B
Diploid, because it is a somatic cell containing two sets of homologous chromosomes (2n).
C
Diploid, because it has twice as many chromatids as chromosomes during most of the cell cycle (4n).
D
Haploid, because all cells involved in growth and repair must have only one chromosome set to prevent mutations.
Verified step by step guidance1
Step 1: Understand the difference between haploid and diploid cells. Haploid cells contain one set of chromosomes (n), while diploid cells contain two sets of homologous chromosomes (2n).
Step 2: Identify the type of cell in question. A typical skin cell is a somatic cell, meaning it is any cell forming the body of an organism except for gametes (sperm and egg).
Step 3: Recall how somatic cells are produced. Somatic cells are produced by mitosis, a process that maintains the chromosome number, resulting in diploid cells.
Step 4: Recognize that skin cells, being somatic, contain two sets of chromosomes (2n), one set inherited from each parent, making them diploid.
Step 5: Conclude that the correct answer is that a typical skin cell is diploid because it is a somatic cell containing two sets of homologous chromosomes (2n).
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