If a cell has 4 chromosomes during interphase, how many chromosomes will each new cell have? What is the overall purpose of meiosis? Why is the process of mitosis and meiosis both important to living organism? How many chromosomes are contained within a human cell?
What is the difference between chromosomes and chromatin? Which cells cause brain tumors? Briefly describe, in your own words, how the single cell formed at fertilization differentiates into different types of cells. What is the difference between an embryo and a fetus? Why is the cervix like "...
What evolutionary purpose these variations serve remains a mystery. But one thing is clear: sex chromosomes don’t hold the key to defining biological sex. 4. Why Genes Can’t Definitively Determine Sex Just like sex chromosomes, the genes responsible for sex determination and development are far...
Homologous recombination is a genetic process in which two similar DNA strands exchange material. The main purpose of homologous...
cells. there are many different species of apple and each one will have a slight variation in the chromosomes and it is that which differentiates the species. if you want to explain to someone what the difference is between a bramley and a granny smith, you will probably say something like...
a關愛老人是不容忽視的 正在翻译,请等待... [translate] awhere is gour coat 那里 gour外套 [translate] aWhat’s the purpose of the author to write this passage? 什么是作者的目的写这个段落? [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语...
Contains all the 23 chromosomes of the sperm cell, that is, half the genetic information of the future embrion. This is the only part of the sperm cell that enters into the egg cell. As such it is the most important part of the spermatozoon. Its purpose is to fuse with the nucleus of...
One of the most important processes for all living organisms is mitosis. In this lesson, explore the meaning, stages, and purpose behind this biological process. What is Mitosis? Ever wonder how the human body grows from a tiny baby into an adult? Or how a scrape on our knee can disappea...
What is the role of the nucleus in cell division? The Nucleus: In eukaryotic cells, the nucleus holds the DNA. DNA is arranged in long strands, each being called a chromosome. The normal human nucleus has 46 chromosomes. These chromosomes are identical in each cell, thanks to the process ...
Clinically speaking, an orgasm is just a series of involuntary muscle contractions. But unlike a charley horse, these spasms turn your legs into jelly for an entirely different reason. It's agreat pleasure for some, a frustrating puzzle for others and still much of a mystery to sex researcher...