3 years ago

In which row are the parts of the neuron below correctly labeled? A B C D

Biology

2 answers:

podryga [215]3 years ago

5 0

I think its 3 I'm not that sureeeeee

Licemer1 [7]3 years ago

4 0

Answer:

C. 1 - dendrites; 2- axon; 3- cell body.

Explanation:

The given image is of a neuron or a nerve cell. It is the basic unit of the central nervous system. Nerve cells transmit chemical and electrical signals in the brain. A typical neuron consists of dendrites (branches-like structure), a cell body and an axon (a long slender projection.

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Answer:

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2 years ago

A recessive X-linked gene mutation is known to generate premature baldness in males but is without effect in women. If a heteroz

Sergeu [11.5K]

Answer:

$\frac{1}{4}$

Explanation:

Let "XB " represents the dominant allele for no baldness

and let "Xb " represents the recessive premature male-pattern baldness

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Now when the above male and female are crossed, the following offspring are produced

Xb Y * XB Xb

XB Xb, XB Y, Xb Xb, Xb Y

Since, this Xb allele is only expressed in males, therefore females will not be affected by it

Hence, out of 4 offspring only one male offspring with "XbY" genotype will have premature baldness

$\frac{1}{4}$

5 0

3 years ago