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Irina-Kira [14]

3 years ago

13

In a certain plant rough seeds ( R) are dominant and smooth seeds (r) are recessive. Two plants with a genotype Rr are crossed.

Which genotype would give you throe offspring smooth seeds?

1 answer:

ladessa [460]3 years ago

5 0

The genotype that will be given is going to big r and small r because the cross will be the same.

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Explain the difference between prezygotic isolating mechanisms and postzygotic isolating mechanisms.

anastassius [24]

<h3><u>Answer and Explanation;</u></h3>

Prezygotic isolation is a type of reproductive isolation that occurs before the formation of a zygote can take place. In most cases mating does not even occur. Forms of prezygotic isolation include spatial, behavioral, mechanical and temporal isolation.
Postzygotic isolation on the other hand occurs after members of two different species have mated and produced a zygote. Forms of postzygotic isolation includes; hybrid sterility, hybrid inviability and hybrid breakdown.
Therefore; Prezygotic isolation prevents the fertilization of eggs while postzygotic isolation prevents the formation of fertile offspring.

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Otrada [13]

Answer:

Hey mate......

Explanation:

This is ur answer.....

<em>1</em><em>.</em><em> </em><em>Ruminant stomachs have four compartments, and monogastric stomachs have only one compartment. Ruminants are able to digest grasses and other fibrous feeds better than animals with monogastric systems can</em><em>.</em>

<em> </em><em> </em><em> </em>

<em>2</em><em>.</em><em> </em><em>The bacteria can digest fiber allowing the dairy cow to consume grass, forages, and fibrous by-product feeds that humans or monogastric animals cannot do effectively. The abomasum is the stomach compartment similar to the human stomach.</em>

Hope it helps!

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3 years ago

As the moon shines by the light of the sun and has no light of its own, so the church reflects the light of Christ and has no li

garri49 [273]

Answer:

Um, im not a christian or anything but the way I would interperate this is that jesus or god is the sun and when he shows love the people who recieve that love 'reflect' that light to others by being nice.

Explanation:

I tried my best, I hope this helps a little bit and please don't be mad.

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