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Ilia_Sergeevich [38]
3 years ago
10

Discuss the formation of twins​

Biology
1 answer:
aleksklad [387]3 years ago
3 0
One egg is split into two inside the body. Then two different eggs make two different people.
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What is the mantle of the core of the earth
densk [106]

Answer:

Mantle is the interior solid part of the earth which is present between the earth crust and central core.

Explanation:

There are four layers of the earth i. e. earth crust, Mantle, outer core and inner core. Plants are grown on the earth crust. Mantle is the second layer of earth. The thickess of Mantle is about 2900 kilometers. It occupies more than 84 % of the total volume of the earth.

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How can an individual help to fight against air pollution?
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They can protest to use safer sources of energy like power plants.

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A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number
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Answer:

The correct answer is - option D. 1/2

Explanation:

Extra digits on hands and feet mean an individual has six fingers in each hand and feet, this is known as polydactyly. Polydactyly shows an autosomal dominant type of inheritance pattern.

In this case, the mother is normal so she must be recessive alleles and the first daughter is normal so the father must have a recessive allele which means he is heterozygous.

Cross:

Man = Dd

Woman = dd

Their children :

    D      d

d   Dd    dd  

d  Dd    dd

Probability of polydactyl child = 2/4 or 1/2 or 50%

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3 years ago
Which two organ systems regulate homeostasis in our bodies?
Usimov [2.4K]
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What evolutionary development allowed plants to grow tall? View Available Hint(s) What evolutionary development allowed plants t
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