百度试题 结果1 题目How many times does DNA copy during meiosis? A. 1 B. 2 C. 3 D. 4 相关知识点: 试题来源: 解析 A 反馈 收藏
In the process of meiosis, how many viable eggs are produced by the female each time meiotic cell division occurs? Meiosis: Meiosis is the process by which a diploid cell (2n) undergoes division and produces a haploid cell (n). The cells which ...
How many chromosomes do bacteria have? A cell has 16 chromosomes. How many chromosomes would its daughter cells have after meiosis? How many chromosomes are in an egg cell and sperm? How many pairs of chromosomes do capuchins have?
What cell is formed after meiosis 1? However, Meiosis I begins with one diploid parent cell and ends withtwo haploid daughter cells, halving the number of chromosomes in each cell. Meiosis II starts with two haploid parent cells and ends with four haploid daughter cells, maintaining the number...
1. Understand the Process of Pollen Grain Formation: - Pollen grains are produced from microspore mother cells (also known as microsporocytes) through meiotic division. - Each microspore mother cell undergoes meiosis, resulting in the formation of four microspores. 2. Determine the Relationship ...
So far we've talked about sex cells and sex organs, and you might be wondering when we'd get around to the act of sex itself. Well, here we go -- the moment when the male and female sex organs and sex cells get together. While there are many ways in which a man and a woman ...
Many members of this family can locally melt or unwind short duplex regions. Abasic lesions Regions of DNA damage in which the nucleobase has been excised from the sugar backbone. Catenanes Topologically interlinked duplex DNA rings. Plectonemic supercoiling The natural tendency of supercoiled DNA ...
Question: How many autosomal chromosomes does a human have? Autosomal Chromosomes: Chromosomes are divided into two types: autosomal and sex chromosomes. Sex chromosomes are those that determine whether the human is male or female. If the person receives two X chromosomes, it will be female, and...
How many chromosomes do onions have? Answer and Explanation: Learn more about this topic: Comparative Genomics: Chromosome Number from Chapter 7/ Lesson 3 5.5K In comparative genomics, the number of chromosomes is examined to see the genes that are passed down in different organisms. Learn about...
If a cell has 30 chromosomes before mitosis, how many does each daughter cell have afterward? How many copies of a gene do somatic cells have? Three cells undergo meiosis. How many haploid cells are produced? How many chromosomes will be found in each cell after telophase/cytokinesis is comp...