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OlgaM077 [116]
3 years ago
13

Centromeres of sister chromatids disjoin and chromatids separate. Which phase does this event happen?

Biology
1 answer:
kirill115 [55]3 years ago
7 0

Answer:

Anaphase

Explanation:

Cohesin is a protein that holds sisters chromatids together. Anaphase begins with the cleavage of that protein, enabling centromeres to split, and the movement of sister chromatides (new daughter chromosomes) toward the poles.  

During the anaphase, microtubules that are not attached to chromosomes elongate and push apart. This elongation makes the cell longer and separates the poles.

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At the end of mitosis, __________ daughter cells that are genetically __________ are formed, while at the end of meiosis, ______
Bond [772]

Answer:

At the end of mitosis, __two________ daughter cells that are genetically _____similar_____ are formed, while at the end of meiosis, _____four_____ daughter cells that are genetically _____distinct_____ are formed.

Explanation:there are two types of cell division; mitosis which occurs in somatic cells and meiosis which occurs in reproductive cells.

In mitosis, division occurs once leading to the production of two daughters cells.crossing over does not occur in the chromosome, so the daughter cells are genetically identical to the parent cell.

In meiosis,cell division occurs twice ,(meiosis I & II),leading to the production of four daughter cells.

Crossing over occurs,leading to genetic variation in the daughter cells.

4 0
3 years ago
The discarded theory of blending inheritance most closely resembles what inheritance
pochemuha

The discarded theory of blending inheritance most closely resembles incomplete dominance.

<h3>What is blending inheritance?</h3>
  • An antiquated biological notion from the 19th century is the concept of blending inheritance.
  • According to the hypothesis, children inherit any trait by averaging the values of their parents for that trait.
  • According to the theory of blended inheritance, an offspring combines the values of both parents for a given attribute.
  • As opposed to blended inheritance, particulate inheritance states that a child inherits individual units or genes from each parent.
  • Offspring thus combines the traits of both parents.
  • Incomplete dominance is the term used to describe phenotypic "blending" of two features, which implies that neither trait is truly dominant over the other.
  • The manifestation of phenotypic traits that are intermediate between those of the parents, such as pink flower color from red and white parents.
  • Inheritance was a now-discredited hypothesis that claimed children's genetic make-up was a pure admixture of their parents'.

Learn more about inheritance here:

brainly.com/question/15078897

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5 0
1 year ago
What states that the cell is the basic unit of all living things?
Ugo [173]

the cell theory explains & states this

8 0
3 years ago
What are all of the populations living in an ecosystem called?
KIM [24]
All the populations living and interacting within a particular geographic area make up a biological (or biotic) community. The living organisms in a community together with their nonliving or abiotic environment make up an ecosystem.
4 0
3 years ago
1. what would most likely happen to the lynx population if the rabbit population decreases?
guajiro [1.7K]

Answer: 1) a. decrease 2) b. increase

Explanation: 1) If the rabbit population declined and it is the main source of food for the lynx, the lynx population would decrease because it wouldn’t have enough to eat. 2) Since the lynx is a predator of rabbits, but all the lynx were killed then the rabbit population would increase because they aren’t being eaten.

7 0
2 years ago
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