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ludmilkaskok [199]
4 years ago
5

A testcross is _________.

Biology
1 answer:
Olin [163]4 years ago
4 0

Answer: C

Explanation: A testcross is a mating between an individual of unknown genotype and an individual homozygous recessive for the trait of interest.

It can determine if the individual being tested is homozygous dominant or heterozygous dominant.

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6 0
4 years ago
What are the correct order of steps on how a reflex occurs?
vagabundo [1.1K]

I believe this would be the correct order:

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2) A sensory neuron sends a signal to the spinal cord.

3) A relay neuron sends a signal to a motor neuron.

4) A muscle receives a signal to contract.

5) A bone moves.


A signal will be picked up by a sensory neuron and sent to the spinal cord (Central Nervous System). The signal will then be sent to a motor neuron in the Peripheral Nervous System to find a muscle. That muscle is signaled to contract which then will cause a bone to move.


8 0
3 years ago
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KonstantinChe [14]

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sergij07 [2.7K]

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3 0
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Read 2 more answers
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