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sweet [91]
3 years ago
7

A couple has five children. What is the probability that exactly two are boys and three are girls?

Biology
1 answer:
frez [133]3 years ago
8 0
D. 1/2 is the correct answer
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A gene that controls betacarotene production has been successfully inserted into a common food crop. Name the technique used to
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Answer:

The technique that is used in inserting a gene into a crop is genetic modification.

What is genetic modified crop?

A genetically modified organism (GMO) is a living organism whose DNA has been altered using genetic engineering techniques.

Humans have used breeding methods to modify organisms for thousands of years. Over generations, corn, cattle, and even dogs have been selectively bred to have certain desired traits.

The majority of GMO crops grown today were developed to assist farmers in preventing crop and food loss and controlling weeds.

The following are the most common traits found in GMO crops: Resistance to certain harmful insects, and Tolerance to certain weed-controlling herbicides.

Thus, with the help of genetic modification, a gene that controls beta-carotene production can be successfully inserted into a common food crop.

5 0
1 year ago
What is one byproduct of slash-and-burn clearing of the rain forest that is harming the atmosphere?
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It has been estimated that ‘slash and burn’ agriculture is used by up to 500 million people worldwide. The term describes the practice of cutting and/or burning of natural vegetation for conversion into agricultural fields. Besides the disastrous implications for forest ecosystems, the practice can impact the atmosphere in two main ways if burning is implemented. Firstly by causing air pollution from the smoke, and secondly by increasing carbon dioxide in the atmosphere, which is a greenhouse gas and a driver of climate change. Living trees also remove carbon dioxide from the atmosphere during photosynthesis, and the process of ‘slash and burn’ effectively removes their carbon capturing contributions to ameliorating climate change.

7 0
3 years ago
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The mineral crystals in obsidian are too small to see without a microscope. This is because it _____.
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<span>The mineral crystals in obsidian are too small to see without a microscope. This is because the rock cools so rapidly from magma that crystals barely have time to form. Obsidian is a normally happening volcanic glass framed as an extrusive molten shake. It is delivered when felsic magma expelled from a well of lava cools quickly with negligible precious stone development.</span>
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d. mitochondrion

Explanation:

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