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3 years ago

14

During a football game, a young man suffers an injury to his spinal cord at the first thoracic vertebrate. What major functions

could be lost due to his injury? Blinking Chewing Swallowing Pushing

1 answer:

Bas_tet [7]3 years ago

4 0

Your first thoracic vertebrate aka T1 controls the nerves in your arms. Therefore, I would go with 'Pushing' as it requires your arms to do it.

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a scientist conducted an expirement to determine the effect of the enviroment on the color of fur of a himalayan rabit

Evgen [1.6K]

The Himalayan rabbit's environment entirely determines the color of its coat.

<h3>How does the environment affect the coat color on the fur of a Himalayan rabbit? </h3>

The color of newborn Himalayan rabbits is either white or light grey. Beginning at the age of four weeks and ending at six months, coloring the coat is a process. The temperature of the environment affects the color of the coat, which grows darker in colder climates and lighter in warmer ones. The Himalayan rabbit's hair turns black when it is subjected to subfreezing conditions. That area's fur finally turned black. The rabbit's newly grown fur will be black in color if the white fur is removed and the animal is kept at a low temperature. Considering this, it is clear that temperature affects the expression of genes that control this organism's fur color.

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2 years ago

Glucose and hexanoic acid each contain six carbon atoms, but they have completely different properties. Glucose is a nutrient fo

IrinaK [193]

Answer:

functional groups

Explanation:

Functional groups are molecules with specific atoms and have their own chemical properties when attached to some other substances. Glucose is a simple sugar and has an aldehyde group (CHO) as its functional group. The presence of CHO in it makes it be present in food without any harmful impacts. On the other hand, hexanoic acid has COOH (carboxylic group) as its functional group. COOH group has a tendency to donate its protons and become ionized. It is toxic as it is reactive and tends to affect the pH of the food or solution in which it is present.

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3 years ago

Put the following events in the order that they occur for a digital recording to become sound waves through a speaker

dlinn [17]

Answer:

1) sound is encoded on a digital recording as an electrical signal.

2) the digital recording plays the sound as an electrical signal.

3) the electric signal moves through a voice coil

4) The voice coil produces a magnetic field.

5) changing the magnetic field pushes and pulls on the diaphragm.

6 0

3 years ago

People who are tune deaf are unable to follow a rhythm. Scientists have evidence that tune deafness can be genetic. The pedigree

butalik [34]

Question

Pedigree attached

a. Provide evidence from the pedigree that conclusively shows that the tune deafness allele is autosomal dominant, not autosomal recessive. Explain your reasoning.

b. Identify the genotypes of individuals 5 and 6, and then draw the Punnett square for the cross of these two individuals.

c. Compare the expected percentage of each phenotype of the offspring from the cross in part (b) with the actual percentage of each phenotype observed in the children of individuals 5 and 6.

Answer/Explanation:

a. Autosomal dominant means that even having one copy of the allele T will produce a tune deaf individual. The evidence of this is that individuals II.3 and 4 have children (III. 8 and 9) with normal tune perception. This suggests that they have inherited the normal allele from both parents. That means II.3 and II4 must be heterozygous, in order to pass on the normal allele. This makes sense if tune deafness is dominant (because 3 and 4 will both be Tt and Tt, so can pass on the t alleles). However, if tune deafness was recessive, that would mean that individual II 3 and 4 both have to carry 2 copies, meaning there is no way their children would have normal tune perception.

b. Since individual 5 is unaffected and we know this is the recessive trait, they must be Tt. Since individual 6 is affected, they must be either Tt or tt. However, they have children who are unaffected (11, 12, 13) who must be tt. This means, individual 6 must have the t allele to pass on, and must be Tt. Therefore, the cross between individuals 5 and 6 is tt x Tt:

T t

t Tt tt

t Tt tt

c) The punnet square shows the children from (b) have a 50:50 chance of being tune deaf vs normal tune perception (50% each). In contrast, the actual ratios are 25% tune deaf to 75% normal tune perception. (1:4). This deviates from the expected ratio, but since all of these are due to chance, it is not an unexpected occurrence. Perhaps if there were 10, 50 or 100 children (!) from this cross, the results would be more like the expected ratio

5 0

3 years ago

Asexual reproduction can be advantageous for species that colonize new areas.

max2010maxim [7]

Answer:

True

Explanation:

It can rapidly increase if the environment is good for them

6 0

2 years ago