Take Test_ Week 3 Reading Quiz - 2017W2-BIOL234-201_202

Which of the following statements is true?
1. Following DNA replication ploidy of a cell doubles
2. Cells cannot begin mitosis until DNA replication is completed
3. In haploid and diploid cells undergoing mitosis, homologous pairs separate into different
daughter cells
4. The products of meiosis in humans (sperm and eggs) contain 23 non-homologous
chromosomes, each chromosome is comprised of a double helix.
5. The products of mitosis in humans (daughter cells) contain 46 chromosomes total (23
homologous pairs), each chromosome is comprised of one double helix.

QUESTION 2 

In a plant that is 2n = 24, what is the total number of chromosomes after DNA replication but before
mitosis begins? Select the one correct answer.
1. 6
2. 12
3. 24
4 48

In humans brown eyes are dominant over blue eyes. A person with brown eyes marries a person with
blue eyes. Which of the following possible sets of children would allow the brown-eyed person to
determine their genotype with certainty? Select all possible correct answers.
A. 5 brown-eyed children
B. 1 brown-eyed child
C. 4 blue-eyed children
D. 1 blue-eyed child
E. 2 brown-eyed and 2 blue-eyed children