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lozanna [386]
4 years ago
6

If this person had son,what,sex chromosome did they give their son?

Biology
1 answer:
dybincka [34]4 years ago
3 0

Answer:

B

Explanation:

Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.

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Why is it is more important for DNA replication to be exact than for transcription or translation to be exact? (1 point)
algol [13]

Answer:

an error in dna replication would affect many generations of cells

Explanation:

because DNA replication contains essentially all the genetic materials that will be needed in transcription and translation processes. And DNA replication is first step to ensure correct protein synthesis and others as well. But translation and transcription are both important to be exact, actually as incorrect transcription or translation could lead to useless proteins or etc.

4 0
3 years ago
Molecules in a certain medication attach to receptors on nerve cells. this prevents the normal chemical signal from binding to t
Veronika [31]
<span>This might disrupt the ability of a neuron to fire and action potential. If the influx of positive ions is blocked the neuron will not reach the necessary threshold required to fire an action potential. Since an action potential only fires when the neuron reaches the correct voltage threshold even a small increase in the number of positive ions entering the neuron might block it from firing an action potential.</span>
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3 years ago
What is unique about lungfishes?
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6 0
3 years ago
How would the DNA sequence AATCGA be transcribed to mRNA? A. TTAGCT B. TTUGCT C. UUACGU D. UUAGCU
Galina-37 [17]
You should know that A is always with T and C is always with G so the answer is:
A. TTAGCT :)))
i hope this is helpful 
have a nice day 
7 0
4 years ago
Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were bur
sukhopar [10]

Answer:

The options are

A) electrical energy.

B) mechanical motion.

C) heat and light energy.

D) electrical and heat energy.

The answer is C) heat and light energy.

Explanation:

Chemical energy in the wood is lit up by fire and a burning process begins to occur. Burning involves a substance being consumed by fire and fire aids in the conversion of some forms of energy to mainly light energy as a result of the burning flames and also to heat energy as a result of the high temperature in the form of heat which the fire brings into play.

This validates the stored chemical energy in the logs being changed into light and heat energy.

3 0
4 years ago
Read 2 more answers
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