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vladimir2022 [97]
2 years ago
8

Organisms with the most beneficial traits will survive. This is commonly known as.

Biology
1 answer:
arlik [135]2 years ago
4 0
Natural selection

Bc it is
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Answer correctly 50 Points
Natali [406]

1. The main aim of the Human Genome Project was to determine the DNA Sequence of every human gene.

2. Variation in skin colour is an example of polygenic inheritance

This Human Karyotype is unusual because it has an extra chromosome at chromosome 21.

Klinefelters syndrome is shown in the second figure

Explanation:

1. The Human Genome Project's main goal was to sequence all the 30,000 genes and 3 million base pairs in their makeup for the early detection of diseases, gene therapy and molecular level studies.

2. Human skin colour is determined by the pigment melanin. The Dominant allele is responsible for dark colours as it produces more melanin. The melanocortin 1 receptor (MC1R) gene and Tyrosinase enzyme codes for the human skin colour. Polygenic inheritance are the traits which are controlled by one or more genes.

<u>figures:</u>

<u>The extra chro</u>mosome at the 21st chromosome pairs is called trisomy 21 or Down's Syndrome. It is due to the abnormal cell division/meiosis resulting in an extra X chromosome. This leads to thechanges the in physical development of  the individual.

Klinefelter's Syndrome: There are 47 chromosomes and 2 or more X chromosomes in this syndrome of males. The resulting male suffering from Klinefelter would be sterile and have poorly developed testicles.

7 0
3 years ago
Which of these questions is scientific?
erastova [34]

Answer:

Hi elmo!

Explanation:

ANd i think the answer is C!

hope this helps c:

8 0
2 years ago
Match the vitamin deficiencies and their symptoms.
Kryger [21]

Answer:

depression: B6

dry skin and nails: A

excessive bleeding: K

6 0
2 years ago
Are all experiments designed the same? Explain your answer.
tensa zangetsu [6.8K]

No

Explanation:

because we consider the experiment provided to be carried out

different experiment have different equipments

3 0
2 years ago
How many chromosomes are shown in a normal human karyotype?
Leni [432]
In a normal human karyotype, depending on the part of mitosis the cell is in, there are either 23 or 46.
4 0
3 years ago
Read 2 more answers
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