The microtubules that organize the chromosomes along the metaphase plate are released by centrosomes, also known as microtubule organizing systems. Cytokinesis is the dividing of the cell contents to create two new cells, beginning in anaphase or telophase, and these phases occur in strictly sequential order.
There are 9,0 microtubule multiplets close to the Golgi that generate microtubules. These microtubules utilize dyneins and kinesins to connect to the kinetochores of chromosomes in order to maintain a dynamic movement process and for the centralized organization of chromosomes along the metaphase plate.
Prophase, Metaphase, Anaphase, and Telophase are the four basic phases of mitosis. Some textbooks divide prophase into an early phase (named prophase) and a late phase, giving the number five (called prometaphase).
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Answer:
a) aaBb
b) Dimples and short eyelashes
c) 50%
d) 25%
Explanation:
Let the gene for dimples be A
Let the gene for eyelashes be B
a) Woman has no dimples (aa) and is heterozygous for long eyelashes (Bb) so her genotype : aaBb
b) Man is heterozygous for dimples (Aa) so he will have dimples and it is already given that he has short eyelashes (bb)
When aaBb X Aabb :
aB ab
Ab AaBb Aabb
ab aaBb aabb
c) Out of the four possible combinations, aaBb and aabb will be born without dimples so this couple has 50% chance to produce a child without dimples.
d) Only aabb will be born without dimples and without long eyelashes so the couple has 25% chance to produce a child without dimples and without long eyelashes.
Answer:
The correct answer is -
Support - it is helpful in identifying and locating criminals who do the heinous crime.
Against - It has its own flaws like if the sample increases there would be chances of false matching or error.
Explanation:
The national DNA database is a database that stores DNA profiles of the criminals found from the crime scenes to find and identify criminals like murderers and others. It has been found a very helpful tool for fighting with the crime.
However, there are some flaws and ethical issues with this database as there are chances of error and false matching of DNA match if the sample keeps increasing or there would any manual or system error and innocent can be punished for crime done by others.
The correct option is C.
Specie specific signals are those signals which are limited to only one specie of animal. The specie usually use it to communicate with the members of the specie. Each signal normally have a specific meaning and will produce uniform response in its receivers.
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. Beyond size, the main structural differences between plant and animal cells lie in a few additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles; Plant cells are rectangular wheres animal cells are round.
