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xz_007 [3.2K]
3 years ago
8

Classification systems

Biology
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

D

Explanation:

just go up the line.

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A woman has blood Type A, her baby has blood Type AB: Is it possible that a man who has the blood Type A could be the father? Sh
Wittaler [7]

Answer:

No, it is not possible

Explanation:

Humans use the ABO blood group system where the A and B alleles are dominant over allele O but codominant with one another.

This system is such that;

Type A can only have genotype: iAiA or iAi

Type B can only have genotype: iBiB or iBi

Type AB can only have genotype: iAiB

Type O can only have genotype: ii

According to this question, a woman has blood Type A (iAiA or iAi) and her baby has blood Type AB (iAiB). This means that the father definitely contributed the allele B in order to have a baby with type AB. It also means that, according to the question, IT IS NOT POSSIBLE FOR A "Type A" father to produce that baby (see the punnet square attached).

Note: The father must contain an allele B in his genotype i.e. the father must be either type B (iBiB or iBi) or type AB (iAiB)

7 0
3 years ago
BIOLOGY HELP!!!!!
Vlad [161]

1. The correct answer is pH.

The activity of the enzymes might be affected by environmental changes such as change in pH. Each enzyme has the point when it is the most active and this value is known as the optimum pH. Extremely high or low pH values can lead to loss of enzyme activity and stability.

Phosphofructokinase is sensitive to acidity, meaning that it is inhibited by low pH levels.

2. The correct answer is temperature.

Enzyme is sensitive to the environmental conditions such as temperature changes.

Temperature is a factor that usually increases the rate of enzyme-catalyzed reactions by increasing the activity of enzymes. But, after reaching the optimum temperature, reaction rate abruptly declines. This happens because enzymes are deactivated or denatured at a certain temperature (above 40° C).


8 0
3 years ago
Which best describes the difference between osmosis and diffusion
Nana76 [90]
Well Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane. And Diffusion<span> is the net passive movement of particles (atoms, ions or molecules) from a region in which they are in higher concentration to regions of lower concentration.</span>
3 0
3 years ago
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Some organisms can reproduce both sexually and asexually. Which of the following is a long-term consequence of undergoing only a
disa [49]
<span>Less genetic variation than if the organism reproduced sexually. Asexual reproduction is kind of like cloning, the reproductions are copies of the organism.
:))</span>
3 0
3 years ago
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Use the drop-down menu to identify what each label
ycow [4]

Explanation:

a is river

bi is tributary

3 0
3 years ago
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