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vichka [17]
3 years ago
15

Please I need help! This is due today! ​

Biology
1 answer:
Oxana [17]3 years ago
7 0

Ur Grades So Poor Ur Moms Gonna Beat U Up

Explanation:

LoL

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Explain how it might happen that a human offspring with 47 chromosomes could be produced
Firdavs [7]
Whenever the sperm and the egg combine, it is possible for one or the other to not split properly and bring 2 of the chromosomes instead of just 1
3 0
3 years ago
What’s meant by the term genetic variation?
Pepsi [2]

Answer:

Genetic variation is a term used to describe the variation in the DNA sequence in each of our genomes. ... Individuals of a species have similar characteristics but they are rarely identical, the difference between them is called variation

Explanation:

8 0
3 years ago
Read 2 more answers
If the bicuspid (mitral) valve is not fully closing, does pulmonary circulation increase, decrease, or not change?
elena-14-01-66 [18.8K]

Answer: Decrease

It will decrees because required volume of blood will not be   emptied into the pulmonary circulation  to reach the lung for oxygenation. Rather blood flows back into the  Right  atrium ,(regurgitation,) through the these valves   during ventricular contraction ( systole)of the Right Ventricle instead to the pulmonary circulation which  reduces blood flow leading  to volume overload  in  the heart. Eventually this  affects systemic circulation,

Explanation:

8 0
3 years ago
What does paleontology, biogeography, embryology, and anatomy reveal bout evolution
Ugo [173]

Paleontology deals with fossils and helps in learning the changes of living organisms in sequence.

Biogeography deals with the distribution of species across the mother earth.

Embryology deals with the study of the similarities and difference that exists in the embryos of different species or organisms.

Anatomy deals with the study of the similarities and difference that exists among different species or organisms.

<u>Explanation: </u>

As an organism dies, the remaining of these organisms will be buried in soil. These are fossils. Paleontology supports evolution with the information that are related to the fossils, footprints etc. With these we can study the evolution of organisms and also the changes they undergo. There are some technologies like radiometric dating that can be used for the determination of these rocks and fossils ages.

Charles Darwin suggested that the evolution of species were form their ancestor. Biogeography supports evolution by explaining about the distribution of different species over the earth. Embryology and Anatomy supports evolution by describing about the similarity and difference in the species of living organisms. Embryology deals with the embryos and anatomy deals with the structure.

8 0
3 years ago
Show how artificial selection could be used to develop a new breed of wheat with higher fiber content
siniylev [52]

Answer:

get wheat that has the desired content (in this case high fiber content)

breed them

amongst the offsprings/ wheat produced, select the ones with highest fiber content

breed them

repeat this process for many generations

Explanation:

4 0
3 years ago
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