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alexira [117]
2 years ago
14

There are no carriers for Huntington’s Disease - you either have it or you don’t. With this in mind, is Huntington’s disease cau

sed by a dominant or recessive trait?

Biology
1 answer:
Tresset [83]2 years ago
8 0

Answer:

dominant

Explanation:

which means that a person needs only one copy of the defective gene to develop the disorder.

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Question 4....??? What effect can bottleneck events have on population that have nearly become extinct????
ArbitrLikvidat [17]

The answer is; D

It reduces the diversity of the population because some variations in the population can be completely eliminated by the bottleneck effect. Even if the population recovers in population size, the genetic variation will have reduced as compared to the initial population before the bottleneck. For a mall population, this effect can be grave because the reduced genetic variation may mean that the population may be unable to adapt to new selection pressures hence may go extinct.  

5 0
3 years ago
Identify the type of neuronal cell that detects bright light and provides high-resolution color vision.
alina1380 [7]

Answer:

The correct option is b. cones.

Explanation:

Cones and rods are specialized cells, called photoreceptor cells, that are found in the retina and are responsible for our vision.

Cones, allow to the human eye to have a visual acuity (ability of the eye to resolve, transmit sharp images and perceive small details in an object) and provide sensitivity to the color, are more concentrated in the central yellow spot known as the macula.

There are three different types of cones in color reception: "L cones" (sensitive to long wavelength, which is red), "M cones" (sensitive to medium wavelength, which is green) and "S cones" (sensitive to short wavelength, which is blue). Since color perception depends on the activation of these three types of nerve cells, it follows that the visible color can be determined based on three numbers called triestimulus values.

The rods are necessary for the perception of light and darkness and to adapt to night vision, because they are very sensitive to low intensity light. On the contrary, they become completely blind to bright light and, therefore, lack importance with regard to daytime vision or visual acuity.

8 0
3 years ago
NEED REAL ANSWER NICE AMOUNT OF POINTS AND BRAINLY
labwork [276]

Answer:

The compound boron trifluoride, BF3, does not have non-bonding valence electrons and  The following diagram shows four possible orientations of the O-H bonds.  but the other configurations would give two different CH2Cl2 compounds. structure consisting of a simple chain of four carbon atoms, CH3CH2CH2CH3.

Explanation:

take notes

7 0
3 years ago
Read 2 more answers
If you increase the amount of carbon dioxide in a plant's environment, the amount of photosynthesis decrease sharply.
scZoUnD [109]
False,carbon dioxide - with water - is one of the reactants in photosynthesis. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Again, at some point, a factor may become limiting.
7 0
3 years ago
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In nature which pigment gives red algae it’s color
algol13

Answer: Rhodophyta  ( Red algae)

Explanation:

Because...

Characteristics: The red colour of these algae results from the pigments phycoerythrin and phycocyanin; this masks the other pigments, Chlorophyll a (no Chlorophyll b), beta-carotene and a number of unique xanthophylls.

* Hopefully this helps:) Mark me the brainliest:)!!

<em>∞ 234483279c20∞</em>

4 0
3 years ago
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