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slamgirl [31]
2 years ago
10

A gardener maintains a species of roses that produce either yellow flowers (the dominant phenotype) or white flowers (the recess

ive phenotype). One day, the gardener observes that a cross between two yellow rose bushes has led to a single rose bush with orange flowers.
What evolutionary mechanism is involved in the change in the gene pool of this species?
Social Studies
1 answer:
g100num [7]2 years ago
4 0

Answer: Mutation

Explanation: Mutation is a term in biology that occures when nucleotide sequence changes in DNA that are permanently retained and transmitted to progeny cells. Mutations happen in every cells and organisms like spontaneous mutations and induced mutations.

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The idea of sociologists being encouraged to keep their personal biases out of their sociological work is referred to as _______
NISA [10]
Value Free Sociology, Max Weber
4 0
3 years ago
How is the climate similar throughout the Caribbean Islands? A.hot B. mild C.cool D.cold
Tamiku [17]
C cool it is cool ok
5 0
2 years ago
Research an invention in America from the 1800's. Post your invention and a picture on the discussion board. Be sure to include
Zarrin [17]

Answer:

Elias Howe Jr. was an American inventor best known for his creation of the modern lockstitch sewing machine. This invetion  was in 1846. The very first lockstitch sewing machine in the world.  His invention helped the mass production of sewing machines and clothing. That in turn revolutionized the sewing industry and freed women from some of the drudgery of daily life at the time. Contrary to popular belief, Howe was not the first to conceive of the idea of a sewing machine. Many other people formulated the idea of such a machine before him, one as early as 1790, and some had even patented their designs and produced working machines, in one case, at least 80 of them.

It was Howe, however, who came up with significant refinements to the design concepts of his predecessors, and on September 10, 1846, he was awarded the first U.S. Patent (4,750) for a sewing machine using a lockstitch design. His machine contained the three essential features common in most modern machines: a needle with the eye at the point; a shuttle operating beneath the cloth to form the lock stitch; and an automatic feed.

Howe's design demonstrated the novel idea of a needle that carried the thread forward, through a piece of material, where another thread, held in a metal shuttle, passed through a loop in the middle thread (caused by the needle moving forward then suddenly backward). The needle was then retracted and this action pulled the two threads to lock them in the fabric. This is how the lockstitch was born.

The sewing machine is easier to use and also you can repair worn, torn or unused clothes by yourself. You can re-design your old clothing. You can even become a fashion trend-setter by making clothes in your own style. Having a sewing machine will save you from going to a tailor, thus helping you to save money.

hope this helps!! :)

5 0
2 years ago
Who are the characters in the song "revolutionary tea" ? Who do they represent (symbolize) ?
tatiyna
Listen to the song then write down the names of the characters on a piece of paper then either look up what they symbolize or listen to the song again and see what they did
7 0
3 years ago
Philosopher who differentiated two fundamental fields of social studies, history and geography, was
Morgarella [4.7K]

Philosopher who differentiated two fundamental fields of social studies, history and geography, was <u> "Immanuel Kant".</u>

The philosophy of Immanuel Kant (1724– 1804) can be isolated into two noteworthy branches. His theoretical philosophy, which incorporates power, depends on the normal comprehension of the idea of nature. The second, his political philosophy, involving morals and political logic, depends on the idea of opportunity. Both of these branches have been immensely powerful in the resulting history of rationality.



4 0
3 years ago
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