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yarga [219]
3 years ago
13

Please help im rlly stuck

Biology
1 answer:
Oduvanchick [21]3 years ago
6 0

Answer:

c

Explanation:

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Alkaptoneuria is a recessive genetic disorder found among North American populations at a frequency of about 1 in 500,000 births
Dafna11 [192]

Answer:

The correct answer is - 1/41,493

Explanation:

Let assume the frequency of the two possible same allele genotype (dominant and recessive) in an inbred population is p and q. Then the frequency of heterozygotes (H) is denoted as:

2pq + 2pqF.  ( where F is the inbreeding coefficient).

The frequency of the two different hoozygotes in inbred population can be calculated as:

p2 + pqF and q2 + pqF. (Where p and q are the allele frequency of the dominant and recessive phenotype.

Given: Frequency of Alkaptonuria (q 2) = 1:500, 000

=> q = 1/707

p = 706/707 ( Approx values)

solution:

Inbreeding coefficient (F) = 1/64

Therefore,

Frequency of Alkaptonuria in second cousins= q 2 + pqF

= 1/500, 000 + (706/707 x 1/707) x (1/64)

= 1/500, 000 + 1/45, 248

= 1/41,493 (approx)

5 0
3 years ago
You think that there is still discrimination between
Mandarinka [93]

Answer:

well for me i don't think so cause you see now a days that parents treat their children equally they don't have to spoil the son and forgets nout the daughter, parents are equally to their kids and in that case their will be no discrimination at all

5 0
3 years ago
In what ways are cellulose and starch similar to each other and in what ways are they different?
neonofarm [45]
Starch and cellulose are two very similar polymers. But in cellulose, each succesive glucose unit is rotated 180 degrees around the axis of the polymer backbone chain, relative to the last repeat unit. 
When bigshot scientists are talking bigshot scientist talk they say that the glucose units in starch are connected by alpha linkages, and that the glucose units in cellulose are connected by beta linkages. 
8 0
3 years ago
The capsid of a virus protects the virus from the external environment What structure is this similar to in a plant cell?
slavikrds [6]

Answer:

The answer would be the cell wall

Explanation:

B is not correct because a cell membrane is a semipermeable membrane surrounding the cytoplasm of a cell.

C is wrong too because a Vacuole is a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.

And D is false because a ribosome is a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.

3 0
3 years ago
How does smoking damage the lungs GCSE?.
Phantasy [73]

Smoking harms the bronchioles and can eventually cause the loss of many lung alveoli.

The lining of arteries, notably the coronary arteries, is harmed by smoking. The injury promotes fatty material accumulation in the arteries. An attack on the heart or stroke may result from this. The amount of oxygen that the blood can carry is decreased by the inhalation of carbon monoxide found in cigarette smoke. Smoking cigarettes causes the heart to work harder because nicotine speeds up heart rate. It is possible for someone to get illnesses like emphysema. mucus, which typically traps particles in the lungs, builds up when the airways swell. Mucus is frequently infected, and injured alveoli lose some of their flexibility and surface area.

Hence, smoking is injurious to health.

To know more about Alveoli.

brainly.com/question/6748872

#SPJ4

5 0
1 year ago
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