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bearhunter [10]
2 years ago
10

Natural Selection results in -

Biology
1 answer:
uranmaximum [27]2 years ago
6 0

Answer:

a population that is adapted to an environment

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Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and
Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type               possible genotypes

Type A                         AA, AO

Type B                         BB, BO

Type AB                           AB

Type O                              OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO  for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired            homozygous smooth haired

P gen              SS                x               ss

F1 gen.                                Ss

phenotype:                     wire haired

8 0
3 years ago
Nuclear power plants create _____ pollution.
EleoNora [17]

The correct answer is option C

The demand for a better life increased the pollution in the society. The increased pollution in the environment led to many health problems.

The Nuclear power plant creates radioactivity and thermal pollution.

The water used in the nuclear power plants is very warm and causes thermal pollution as it is released into water bodies.

The nuclear power plant uses radioactive substances like uranium and the waste that is left is radioactive waste.

3 0
3 years ago
Read 2 more answers
The mineral that is a coenzyme involved in energy metabolism and assists in the synthesis of bone tissue and cartilage is
Galina-37 [17]
Calcium

Calcium helps build and maintain bones. 
4 0
3 years ago
Can organisms create their own energy? explain
My name is Ann [436]

Answer:

organisms have the amazing ability to make (produce) their own energy-rich food molecules from sunlight and simple chemicals.

Explanation:

5 0
2 years ago
Which do you think is better for the environment: paper or plastic
sladkih [1.3K]

Answer:

I think it is plastic

Explanation:

even though it take 400 years for a paper bag to decompose, people use more plastic.

7 0
3 years ago
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