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serg [7]
3 years ago
10

How the genotypeRR and Rr result in the same phenotype​

Biology
1 answer:
Hoochie [10]3 years ago
3 0

Answer:

Explanation:     RR Rr

there will be no recieive trait

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Surfactant helps to prevent the alveoli from collapsing by
Y_Kistochka [10]

Answer:

The correct answer will be- by lowering the surface tension at air/liquid transition.

Explanation:

Pulmonary surfactant is the mixture of proteins and lipids produced by the type II epithelial cells.  

The surfactant is selected into the alveolar sacs where the surfactant reduces the surface tension of the air/liquid interface to 1 mN/m. The lipid content of the surfactant called dipalmitoylphosphatidylcholine or DPPC forms a surface film which lowers the surface tension.

This power surface tension reduces the work of breathing and thus prevent the alveolar sac from rupture or collapse.

Thus, by lowering the surface tension at air/liquid transition is the correct answer.

7 0
3 years ago
Colorblindness is caused by a recessive x-linked gene. a woman that is heterozygous for this trait marries a man with normal col
IrinaK [193]

Answer;

The offsprings will be such that , a normal vision female, a heterozygous female, normal male and a colorblind male.

Explanation;

-Most X-linked traits in humans are recessive. One example of an X-linked trait is red-green colorblindness. Let (Xc) represent the recessive allele that causes colorblindness and (XC) represent the normal dominant allele. Females that are XCXC or XCXc have normal color vision, while XcXc females are colorblind. For males with; XcY are color blind, while those with XCY are have normal color vision.

Heterozygous female, XcXC

Normal male, XCY

The offspring of the parents, XcXC x XCY, are: XcXC (heterozygous female), XCXC( normal vision female), XCY (normal vision male), XcY (color blind male).

7 0
3 years ago
Approximately twenty-five elements _____.
Firdavs [7]
Occurs naturally on earth
6 0
3 years ago
Read 2 more answers
What is the boiling point of 2 cups appear of tap water with one tablespoon of salt
r-ruslan [8.4K]
The boiling point of tap water is 100 degrees C (not Farenheit).With a tablespoon of salt, it would be slightly warmer than that.
 I hope I helped. God bless!
4 0
3 years ago
A certain species of salamander was split into two populations by a wide, dry valley, and the populations began to diverge from
olya-2409 [2.1K]

Answer:

This outcome in a hybrid zone is known as <u><em>fusion</em></u>.

Explanation:

In the field of biology, hybrid zone can be described as the area where closely-related species can interbreed and produce hybrid organisms. Reinforcement can be described as the phenomenon by which a hybrid zone develops between full species barriers. Hybrid speciation can be described as the phenomenon by which a new species forms as the direct result of mating between members of two existing species.

6 0
3 years ago
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