Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
Will the cells at the end of Telophase I in meiosis be genetically identical to each other?
A
Yes, they will be genetically identical.
B
No, they will not be genetically identical.
C
Yes, because they have undergone DNA replication.
D
No, because they have not undergone crossing over.
Verified step by step guidance
1
Understand the process of meiosis: Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically diverse haploid cells. It consists of two stages: Meiosis I and Meiosis II.
Focus on Telophase I: During Telophase I, the homologous chromosomes are separated into two different cells. This is the end of Meiosis I, where each cell contains half the number of chromosomes, but each chromosome still consists of two sister chromatids.
Consider genetic variation: Genetic variation in meiosis is introduced through two main processes: crossing over during Prophase I and independent assortment during Metaphase I. Crossing over involves the exchange of genetic material between homologous chromosomes, leading to new combinations of alleles.
Evaluate the genetic identity of cells: Due to crossing over and independent assortment, the cells at the end of Telophase I are not genetically identical. Each cell has a unique combination of alleles, differing from the original parent cell and from each other.
Conclude the answer: The correct answer is 'No, they will not be genetically identical,' because the processes of crossing over and independent assortment during Meiosis I create genetic diversity among the resulting cells.