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morpeh [17]
3 years ago
13

The relationship of the I and H genes affects the expression of the ABO blood type in the following ways: genotype HH or Hh, AB

produces blood type AB while genotype hh, AB produces blood type O. This is an example of _____.
Biology
1 answer:
e-lub [12.9K]3 years ago
4 0

Answer:

Here are the options to complete the question

A) complete dominance

B) codominance

C) incomplete dominance

D) epistasis

The ANSWER IS SURELY D)

D) epistasis

Explanation:

Epistasis is the phenomenon wherein the effect of one gene (locus) is dependent on the presence of one or more 'modifier genes', i.e. the genetic background

Epistatic genes are often termed inhibiting genes due to its hypostatic effect on other genes.

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I have to write an essay for science and I don't understand what I am supposed to do someone please explain.
Whitepunk [10]
Hope it helps
Basically write about the production of proteins molecules through transcription and translation and talk about the words listed, what them mean, and how they contribute. 
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3 years ago
How do neurons communicate? place in order the sequence of events that occurs when a neuron fires?
monitta

Answer;

-Dendrites receive chemical signals.

-When more excitatory than inhibitory signals are received, the cell depolarizes.

-An action potential is set off and travels through the cell and down the axon.

-The action potential excites the terminal buttons to release their chemicals into the synaptic cleft.

Explanation;

-The electrical signal that passes along the axon and subsequently causes the release of chemicals from the terminal buttons

. Chemical signals (excitatory and inhibitory signals.

-Positive sodium pours into the breach, Action potential propagates along the axon, after firing returns to its slightly negative resting state.

-An action potential can be generated if the amount of excitatory input can raise the membrane potential to -55 mV. This then floods the cell with sodium ions and raises the membrane potential. When it reaches a certain point (about +30 mV), the sodium ion channels close and the potassium ion channels open. This drops the membrane potential back down.

6 0
4 years ago
Water molecules move from areas of high to low conentration. true or false. and why or why not?
juin [17]

True

Explanation:

The water molecules move from areas of high concentration to areas of low concentration to make an equivalent between the two.

I hope this helps at least a little :D

6 0
3 years ago
Read 2 more answers
HELP PLEASE!!!! I’ll really appreciate it:( what is the experimental variable, independent variable, dependent variable, control
vlabodo [156]
I’m like 99 Percent sure this is right.

Experimental Variable: Orange Trees
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DEP. Variable: Fruit Weight
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Hope this helps!
7 0
3 years ago
Support irnas claim,using two pieces of evidence from the scientists experiment,figures 1 through 7, and both tables. Explain wh
Ulleksa [173]

Irina's claim is not found here but evidence from an experiment might include the amount of a product (chemical) or the order of nucleotides (biological evidence).

<h3>What is scientific evidence?</h3>

Scientific evidence refers to the observations that can be used to support (or reject) a working hypothesis.

Scientific evidence is variable depending on the field but it is always collected by observational or experimental procedures.

In conclusion, Irina's claim is not found here but evidence from an experiment might include the amount of a product (chemical evidence) or the order of nucleotides (biological evidence).

Learn more about scientific evidence here:

brainly.com/question/507522

#SPJ1

4 0
2 years ago
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