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
Three cells undergo meiosis. How many haploid cells are produced? How many chromosomes will be found in each cell after telophase/cytokinesis is completed? How many cell divisions occur during meiosis? How many times does a somatic cell go through meiosis?
How many chromosomes are created when DNA replicates? If a eukaryotic cell has 20 chromosomes and it undergoes meiosis, how many cells will result and how many chromosomes will they contain? a. 4 cells, each with 20 chromosomes b. 4 cells, each with 10 chrom...
With the intensification of the greenhouse effect, a series of natural phenomena, such as global warming, are gradually recognized; when the ambient temperature increases to the extent that it causes heat stress in plants, agricultural production will in
Pollen grains are created through the process of meiosis, during which cells divide and grow in number. The grains of pollen are often located in pollen sacs on the ends of the stamen (the male parts of the flower), which typically surround the carpel (the female parts of the flower). ...
Question: 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. ...
With the intensification of the greenhouse effect, a series of natural phenomena, such as global warming, are gradually recognized; when the ambient temperature increases to the extent that it causes heat stress in plants, agricultural production will in
However, what is obtained by subjecting so many different complex combinations of genes to the test of selection, when just as sex puts them together, it also breaks them down in the next generation? The intuition that the combinations are important has been incomplete. However, according to ...
Many bacteria and protozoa simply split into two equal halves during their cell division and produce two identical organisms. Remember, some other single-celled organisms, such as Plasmodium (the malarial parasite), divide into many daughter cells simultaneously, known as multiple fission (see the ...
How many genes are in a somatic cell? How many chromosomes do dogs have? How many chromosomes does the family Ursidae have? How many autosomal protein-coding genes does a human have? How many chromosomes do bacteria have? How many autosomal cells do humans have?