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lozanna [386]
1 year ago
7

Nondisjunction could occur during ________.

Biology
1 answer:
DedPeter [7]1 year ago
8 0

Nondisjunction could occur during - Anaphase ii

<h3>What is Nondisjunction ?</h3>

Nondisjunction occurs when the chromosomes do not separate. In this case, gametes are produced with an abnormal number of chromosomes. It is an abnormal number of chromosomes in all  cells called aneuploidy or in some cells called mosaicism.

Example ; Down's syndrome, Trisomy of autosomes.

Anaphase is the 3rd stage of cell division process specially after the metaphase in mitosis. In this step sister chromatids gets seperated from each other and pulls towards the cell's ending portion.

specially in Anaphase 2 chromatids splits at the centromere and pulled to the spindle fibres.

To know more about the Anaphase please click here :

https://brainly.ph/question/33956?

#SPJ4

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Excitatory neurotransmitters influence the receiving neuron to _____, whereas inhibitory neurotransmitters influence the receivi
Viktor [21]

Excitatory neurotransmitters cause the neuron to fire, and Inhibitory neurotransmitters cause the neuron not to fire.

Impulses are the signals passed from one neuron to another on the action of a stimulus. The impulses passed can be electrical or chemical. Neurotransmitters are the chemical molecules that help in the transfer of impulses between two neurons.

Chemicals like epinephrine, norepinephrine, and glutamate when released from the synaptic cleft of one neuron activate the receptors of other neurons, thereby initiating the other neuron to fire. These chemicals are called excitatory neurotransmitters.

Chemicals like GABA and glycine, when released from the synaptic cleft of one neuron do not activate the receptors of other neurons and hence the neurons will not fire the impulse. These chemicals are called inhibitory neurotransmitters.

To know more about neurotransmitters, visit

brainly.com/question/26387085

#SPJ4

8 0
1 year ago
At the end of which period did nearly three quarters of all species of life on earth go extinct in a very short time interval Ca
Ostrovityanka [42]

It's the cretaceous time period.

7 0
3 years ago
The ability not to taste PTC is dependent on recessive gene (t).
yKpoI14uk [10]
Would say it would be a
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3 years ago
What is something you learned about movement across the membrane
emmainna [20.7K]

Answer:

Membrane transport is essential for cellular life. As cells proceed through their life cycle, a vast amount of exchange is necessary to maintain function.

Explanation:

5 0
2 years ago
A unique feature of dna is that it can duplicate itself through a process called
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<span>A unique feature of dna is that it can duplicate itself through a process called replication.</span>
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