Answer:
A.
Explanation:
Here is the complete question:.
How can the use of genetically modified crops like RoundUp Ready soy contribute to the development of superweeds that are resistant to the herbicide RoundUp?
A. Both a and b are correct
B. All of the above are correct
C. The process of genetic engineering makes any species resistant to chemicals of all types.
D. Both c and d are correct
E. The continued use of RoundUp creates a consistent selection pressure that can cause evolution of resistance in a weed species.
F. The use of RoundUp causes a weed to mutate and create a trait that makes it resistant to RoundUp.
G. The RoundUp ready crop could cross-pollinate with a closely related weed species.
The answer is <span>A) All future somatic cells of the organism will contain the (2n + 1) number of chromosomes.
An egg cell and a sperm cell fuse to develop a new organism in a process called a fertilization. As a result, a zygote is formed. When the </span>egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, the zygote will have (n + n + 1), which is (2n + 1) number of chromosomes. The zygote is the first cell of the new organism. It undergoes mitosis resulting in somatic cells where all of them will contain the same <span>number of chromosomes as the zygote, which is (2n + 1)</span>
Answer: Adaption (I think)
Explanation: Certain living organisms and animals can adapt to harsh environmental conditions, and if I'm not wrong, cells can adapt, as well.
Evolution is what you might call, traits that is inherited over generation to the next. An evolution is when there is a change within the genepool and it beneficial to survival. Take a giraffe for example. Back then, they had short necks and it had eat from plants on the ground. Though from generations later when they learnt that food grows on trees and stretched there necks to reach for, they now can eat from trees without a problem. Hope this helps you better understand what evolution is.
Answer:
<u>Functions of epithelial tissue:</u>
- i. Epithelial tissue covers the body outside and lines the various cavities inside.
- ii. Epithelial tissue lines the hollow organs, body cavities, blood vessels and ducts.
- iii. Cells are rested on thin, doubled layered, non-cellular basement membrane.
- iv. Epithelial tissue has nerve supply of its own.
- v. Epithelial tissue is avascular (a = without, vascular = vessel), i.e. it lacks its own blood supply and hence, obtains nutrients which diffuse out of blood vessels.
- vi. Epithelial tissue has the power of division and regeneration. The old injured dead cells are sloughed off regularly and are replaced by new ones.
