Question

snurfle meiosis and genetics
number correct: 6 number incorrect: 2
the diagram to the right
summarizes meiosis i. which of
the following statements is true?
a. cell 1 is in interphase and cell
2 is in prophase.

b. cell 1 is diploid and cell 2 is
haploid.

c. cell 1 has 4 chromosomes.

d. cell 2 has 2 chromosomes

cell 1

cell 2

click to choose your answer below:
a b c d

Explanation:

To solve this, we analyze each option:

• Option A: Cell 1 shows chromosomes with sister chromatids (likely prophase I or similar, not interphase), and Cell 2 is post - meiosis I division, so A is wrong.
• Option B: Cell 1 is diploid (has homologous chromosomes or full set before meiosis I completion), but Cell 2 after meiosis I is haploid? Wait, no—meiosis I results in two haploid cells? Wait, no, meiosis I starts with diploid, ends with two haploid cells (n), but let's check chromosomes. Wait, Cell 1: looking at the diagram, Cell 1 has two chromosomes (each with two chromatids), wait no—wait the diagram: Cell 1 has two chromosomes (blue and red, each with two chromatids), so total chromosomes (counting each as one) are 2? Wait no, maybe I missee. Wait, no, let's re - evaluate. Wait, Option C: Cell 1—if we count the chromosomes (each X - shaped is one chromosome, even with chromatids), Cell 1 has 2 chromosomes (blue and red), so C says 4, wrong. Option D: Cell 2—each Cell 2 (the two lower cells) has 1 chromosome? Wait no, the diagram: Cell 2 (the left lower) has one chromosome (X - shaped), same with the right. Wait, no, maybe the original question's diagram: Wait, the problem says "the diagram to the right summarizes Meiosis I". Let's think about meiosis I: starts with diploid (2n), after meiosis I, cells are haploid (n), with each chromosome having two chromatids. Wait, maybe the correct option is B? Wait no, let's check again. Wait, maybe I made a mistake. Wait, let's re - check each option:

Wait, maybe the correct answer is B? Wait, no—wait Cell 1: before meiosis I, it's diploid. After meiosis I, the cells (Cell 2 type) are haploid. But let's check the chromosome count. Wait, Cell 1: in the diagram, Cell 1 has two chromosomes (each with two chromatids), so 2 chromosomes (diploid, 2n where n = 1? No, maybe n = 2). Wait, this is confusing. Wait, maybe the correct answer is B. Wait, no, let's see:

Wait, Option B: "Cell 1 is diploid and Cell 2 is haploid." Meiosis I starts with a diploid cell (2n), and at the end of meiosis I, the two daughter cells are haploid (n), so this is correct. Wait, but let's check other options. Option A: Cell 1 is not in interphase (interphase has uncondensed chromosomes), Cell 1 has condensed chromosomes (meiosis I phase), so A wrong. Option C: Cell 1—if we count chromosomes, Cell 1 has 2 chromosomes (each X is one), so C says 4, wrong. Option D: Cell 2—each Cell 2 has 1 chromosome? But the diagram: the two lower cells (Cell 2) each have 1 chromosome? Wait, no, maybe the diagram shows Cell 1 with 2 chromosomes (diploid, 2n = 2), then after meiosis I, Cell 2 is haploid (n = 1). Wait, but then Option B: Cell 1 is diploid (2n), Cell 2 is haploid (n), which is correct. Wait, but maybe I misread the chromosome count. Alternatively, maybe the correct answer is B. Wait, but let's confirm.

Wait, another approach: Meiosis I: diploid (2n) cell divides into two haploid (n) cells. So Cell 1 (parent cell in meiosis I) is diploid, Cell 2 (daughter cell after meiosis I) is haploid. So Option B is correct.

Answer:

B. Cell 1 is diploid and Cell 2 is haploid.