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2 years ago

A synonym for the preoperative diagnosis of degenerative joint disease is what

Biology

2 answers:

Alina [70]2 years ago

5 0

OSTEOARTHRITIS,
OSTEOARTHROSIS, or
DEGENERATIVE ARTHRITIS

Paul [167]2 years ago

4 0

The answer would essentially be Osteoarthritis. Hope this helps

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Gene A has two alleles (A1 and A2). A1A1 homozygotes are twice as likely to survive from birth to reproductive age as heterozygo

Usimov [2.4K]

Answer:

The correct answer is C: 0.60 A1 and 0.40 A2 will be the allele frequencies in those progeny when they reach reproductive age

Explanation:

Genotype A1A1  A1A2 A2A2 

Relative aptitude, w 1 0.5 0.5

Number of individuals 40 40 40

Initial allelic frequency p0= (40+20)/120=0.5 q0= (40+20)/120=0.5

Zygote frequency p2= 0.25 2pq=0.25 q2=0.625

Relative contribution 0.25x1=0.25 0.5x0.5=0.25 0.25x0.5=0.125

of each genotype

Average aptitude W W= 0.025 + 0.25 + 0.125 = 0.625

Population AA= 0.25/0.625 AB=0.25/0.625 BB=0.125/0.625

Genotype frequency AA= 0.4 AB=0.4 BB=0.2

New Allelic frequency p1=0.4+(0.4/2)=0.6 q1=0.2+(0.4/2)=0.4

Total number of individuals: 120

Initial allelic frequency:

(number of homozygote individuals + half number of

heterozygote individuals) / Total number of individuals

Relative contribution of each genotype:

Zygote frequency x Relative aptitude

Average aptitude W: It is the sum of relative contribution of each genotype to the next generation.

wA1A1 x p2 + WA1A2 x 2 x p x q + WA2A2 x q2

Population Genotype frequency:

Relative contribution of each genotype / Average aptitude

Allelic frequency:

Homozygote population genotype frequency + half

heterozygote population genotype frequency

8 0

2 years ago

What are the benefits and drawbacks to using solar, geothermal, and wind power as alternative sources of energy

Damm [24]

The benefits are that you don't have to rely on limited resources and you won't be contribution to global warming but the drawbacks are that you have to find a way to make it run by itself and deal with it not working sometimes.

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2 years ago

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A researcher is examining the response of corn to herbivory by white-tailed deer. She sets up a corn field with a very high fenc

stiks02 [169]

Answer:

The herbivory by the white-tailed deer

Explanation:

The independent variable can be defined as the variable that who's values do not depend on those of another.

The independent variable in this case is the herbivory by the white-tailed deer which is divided into two categories.

The dependent variables is the response of the corn to the independent variable which are measurements to be taken as shown in the question; the height of the corn plants and the number of ears or corn each plant produces.

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2 years ago

Your ears receive sound waves and convert this energy into neural messages that travel to your brain and are processed as sounds

swat32

Receiving voices process I think this will help you :)

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2 years ago

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An undersupply of the major inhibitory neurotransmitter known as ________ is linked to seizures.

bazaltina [42]

Answer:

Gamma-aminobutyric acid (GABA)

Explanation:

Epileptic seizures are induced by a preponderance of electrical activity within the network of neurons in the brain. Synapsis is the meeting point between the axon of one neuron and the dendrite of another neuron. Electrical signals don't cross through the synapsis, instead, they are conveyed in a chemical form by neurotransmitters.

The neurotransmitters convey messages across the synapsis in a chemical form until they find to the receptor of the dendrite of the receiving neuron. Neurotransmitters can either be excitatory or inhibitory in function i.e. the receiving neuron can either be stimulated to action or inhibited from action. The main excitatory and inhibitory neurotransmitters in the brain are Glutamate and Gamma-aminobutyric acid (GABA) respectively.

There must be a balance between excitation and inhibition of neurons, in order to ascertain the optimal functioning of the brain. Too much Glutamate or too little of GABA can make neurons hyperexcitable and hyperexcitability of neurons makes the brain susceptible to seizures.

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2 years ago