What determines the frequency of a trait? What are the influences of heredity and environment on racial traits? Explain why in humans, sex-linked traits are associated with the x-chromosome? What are deleterious genes? Give one example.
Chromatin is made up of what substances? What is the difference between chromatin and a chromosome? What type of chromatin has genes that are likely being transcribed? What is the meaning of chromatin? What is DNA made of? Chromatin consists of what? (a) protein only (b) DNA only (c) ...
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are these people transgenders? Byanon25034— On Jan 22, 2009 XXY means there are 3 chromosomes: 2 x's and a y. So, you can't say "an XXY chromosome" or "XXY chromosomes." The Health Board, in your inbox Our latest articles, guides, and more, delivered daily. ...
Although mitosis occupies only a small fraction of the entire cell cycle, it is an extremely important stage because it involves attaching the chromosomes to the mitotic spindle and precisely distributing one copy of each and every chromosome into the two resulting daughter cells. Mitosis can be ...
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 of cell division. ...
4.5. How fast can a sperm travel? 4.6. Why does the human sperm cell have lots of mitochondria? 4.7. What is the function of the head of the sperm? 4.8. What is the probability that a human sperm cell carries an X chromosome? 5. Recommended reading 6. References 7. Authors and cont...
She hopes this research will continue with her team fully sequencing the genome of the Amami spiny rats to look more closely at what's going on and how that might lead to a better understanding of the nuances of how animals without a Y chromosome undergoes male sexual differentiation. ...
aIdentify the threats in the application while keeping the goals of an attacker in mind. 辨认威胁在应用,当保留攻击者的目标在头脑时。[translate] a他们习惯晚睡 They are familiar with late rest[translate] al was in the middle of packing up my things when suddenly the power went out in the ...
How many sex chromosomes are present in a human body cell? If the chromosome number of a gorilla is 48 before mitosis, what is the chromosome number in each nucleus after nucleus division has taken place? If a cell has 8 duplicated (double-stranded) chromosomes during metaphase of mitosi...