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notsponge [240]
3 years ago
7

In humans, albinism is caused by loss of function mutations in genes involved in the synthesis of melanin, the dark pigment in s

kin. Only people homozygous for loss-of-function allege (genotype aa) have the albino phenotype. In Americans of northern European ancestry., albino individuals are present at a frequency of about 1 in 10,000 (or 0.0001). Assuming that genotypes are in Hardy-Weinberg equilibrium, what is the predicted frequency of Caucasians in the United States who carry a single allele for albinism
Biology
1 answer:
ankoles [38]3 years ago
5 0

Answer: Approximately 1 in 70 individuals carry an mutated allele

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In pea plants, the gene for round seed (R) is dominant, and wrinkled seeds (r) are recessive. The endosperm of the pea is also e
Elena-2011 [213]

Answer:

None is wrinkled and waxy

Explanation:

Spliting the alleles and pairing them usng the two characters listed, The male pea plant will have four possible alleles: RS, Rs, rS, and rs. The female also we have the same. Using punnet's square, we are to cross the two parents, Using gentotypes obtained from this cross; RRSS, RRSs, RrSS, RrSs, RRSs, RRss, RrSs, Rrss, RrSS, RrSc, rrSS, rrSs, RrSs, Rrss, rrSs, rrss. The phenotupic ration will be 9 Round starchy: 3 Round waxy: 3 Wrinkled starchy: 1 wrinkled waxy. It cannot be said that none of the progeny will be wrinkled waxy.

3 0
4 years ago
Where does the exchange of oxygen, nutrients, and wastes occur?. a. in capillaries. b. in arteries. c. in the lungs. d. in the a
snow_lady [41]
It tends to happen in capillaries
for example in the lungs avioli  are coverd in capilarries so to facilitate the diffusion (exchange) of oxygen in to the  blood stream and carbon dioxide out of the blood stream
7 0
4 years ago
Which beaks would be best for picking insects out of wood and worms out of sand
Kipish [7]

Answer:

Explanation:

woodpecker???

3 0
3 years ago
The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based
Ierofanga [76]

Answer:

H2S.

Explanation:

Ions may be defined as the element that contains either positive or negative charge over them. Two types of ions are cations and anions. The outermost electrons are involved in the formation of ions.

The atomic number of sulfur is 16. Its outermost electronic configuration is K=2, L= 8, M= 6. The sulfur requres two more electrons to complete its orbit and accquire -2 charge.

H        S

+1        -2

Then, the formula will be H2S.

Thus, the correct answer is option (c).

7 0
3 years ago
Which one is it? help please
storchak [24]

Answer:

It's a duplication........

8 0
3 years ago
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