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Home Q & A Board Science-Related Homework Help High School Level Science
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Aliya1 Aliya1
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5 years ago Edited: 5 years ago, Aliya1
#27.By comparing mitochondrial DNA (mtDNA) of living people and/or of skeletons of non-living people, researchers can analyze samples to determine their ancestry.

Which of the following statement correctly describes the inheritance pattern of mtDNA?
Select one:
a. An egg is much larger than a sperm and therefore contains more mitochondria, passing its mtDNA to the offspring.
b. An egg contains mitochondria and a sperm cell does not contain any mitochondria.
c. mtDNA is transcribed from cpDNA outside of the nucleus.
d. An egg contributes half of the DNA and all of its organelles in the cytoplasm to the zygote.
#28.Which of the following was not one of the first uses of modern biotechnology?
Select one:
a. The insertion of a human insulin gene into bacteria.
b. The cloning of a mammal.
c. The insertion of an antifreeze gene into a fish.
d. The insertion of a bacterial insulin gene into human cells.
Post Merge: 5 years ago

hi bio_man, i have 14 more questions to post and this is due on Tuesday sometime in the afternoon.
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bio_manbio_man
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5 years ago Edited: A year ago, bio_man
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Aliya1 Author
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#2
5 years ago Edited: 5 years ago, Aliya1
i put c for this question but i was stuck between a and c. thank you for getting back with me Slight Smile
Post Merge: 5 years ago

june 8 is when my course ends because i will have the diploma on june 27th.
Post Merge: 5 years ago

sorry about all of  these questions, i understand it can become overwhelming
wrote...
#3
Educator
5 years ago
Not at all, it's completely fine with me.
Aliya1 Author
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#4
5 years ago
ahha okay Slight Smile glad to know that it's okay
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