Which mutation causes either the inclusion of an extra chromosome in offspring or the deletion of an entire chromosome?

Answers

Answer 1

Answer: The answer to the question stated above is non-disjunction.

Non-disjunction causes either the inclusion of an extra chromosome in offspring or the deletion of an entire chromosome. Non disjunction during either meiosis I or meiosis II creates gametes that will generate trisomies if fertilized.

Answer 2

Answer: The answer is Nondisjunction

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98 POINTS PLEASE HELPThe structure of adenosine triphosphate (ATP) is shown here.

Explain how energy stored in the chemical bonds of ATP can be released.

Answers

i think this is the answer not sure

When the cell needs energy to do work, ATP loses its 3rd phosphate group, releasing energy stored in the bond that the cell can use to do work. Now its back to being ADP and is ready to store the energy from respiration by bonding with a 3rd phosphate group. ADP and ATP constantly convert back and forth in this manner.

See the little ball in the little cubie right there mabey that is how the chemical bonds are realesed. i tried my best i am only in 7th grade

The endosymbiont theory proposes that eukaryotes evolved from a symbiosis between a prokaryote and a protocell.a. True
b. False

Answers

a. True

As many researchers hypothesize that the old single-celled organism or the origin of the complex-celled organisms came from the endosymbiosis of the mitochrondrion organism and the prokaryotic cell. It has been said that mitochondria was an independent organism which then to have been evovled itself after planting itself inside a prokaryotic cell which aided cellular respiration and production of ATP (Adenosine Triphosphate). This then aided the prokaryotic cell to be more sophisticated and caused another change from having without a true nucleus to a eukaryotic cell with a nucleus and embedded DNA.

Actually False I got it wrong when I chose true. Your welcome

After a sperm cell and an egg cell unite, _____ has occurred. asexual reproduction
fertilization
conjugation
pollination

Answers

In the sentence "After a sperm cell and an egg cell unite, _____ has occurred", the word that correctly completes the sentence is fertilization. Fertilization is the process in which two gametes (a sperm cell and an egg cell) unite. As the result of this process, zygote is created and the development of an embryo begins.

Answer:

Fertilization

Explanation:

hp this helps!

The difference between protostomes and deuterostomes is _____. protostomes have only an ectoderm and endoderm protostomes have only a mesoderm protostomes develop a mouth first and then an anus protostomes develop an anus first and then a mouth

Answers

Protostomes develop a mouth first and then an anus. This is the difference between protostomes and deuterostomes.

In protostome development, there is a spiral radical and indeterminate cleavage. The blastopore becomes the mouth and the coelom forms from the mesoderm.

In deuterostomes development, radial and indeterminate cleavage takes place. The blastopore is the new anus and the coelom forms from budding off the wall of the archenteron.

Final answer:

The main difference between protostomes and deuterostomes is the sequence in which the mouth and anus develop during embryonic development. Protostomes develop a mouth first, and deuterostomes form an anus first.

Explanation:

The primary difference between protostomes and deuterostomes lies in the sequence of their embryonic development.

Protostomes, which include organisms like insects and mollusks, follow a developmental sequence where the first opening in the embryo becomes the mouth, and the second becomes the anus.

On the other hand, deuterostomes, including organisms like vertebrates and echinoderms, have a developmental sequence where the first opening becomes the anus, and the second becomes the mouth.

Learn more about Embryonic Development here:

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Help please1. Summarize two harmful effects of acid rain

2. Predicting outcome how will the depletion of the ozone layer affect human health

3. Describe the greenhouse effect and its effect on the earth's climate

Answers

To answer one: the acid in acid rain is harmful for the plants and animals who drink it (inhaling acids isn't too fun). It can be very dangerous for those who ingest it. Acid rain also wears down many rocks, ruining classical architecture and some older buildings

Looking through a microscope, you see a cell forming a cell plate during cytokinesis. Which cell are you looking at?

Answers

If a cell plate is seen being formed, then that would mean that a cell wall would be in the process of forming thus you would be looking at a PLANT CELL.

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