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soldi70 [24.7K]
3 years ago
5

Tan mice lived in regions with sandy hills. Over time, many of these tan mice migrated to a region with dark-colored hills. Even

tually, the mice developed certain mutations in the trait for hair color, which made them black. Which three statements can you make about these mice?
Black mice can camouflage easily, which provides protection.
The mutations for black hair will be inherited through natural selection.
The population of tan mice will increase in the dark-colored hills over time.
Black mice will have a better chance of successfully reaching reproductive age.
Both mice will have an equal chance of successfully reaching reproductive age.
Biology
1 answer:
Shkiper50 [21]3 years ago
6 0
The first, second, and fourth statements are correct.
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In garden peas, long stems are dominant to short stems, and yellow seeds are dominants to green seeds, too long/yellow pea plant
Lera25 [3.4K]

Answer:

A) 300

B) 3:1

C) 9 long yellow : 3 long green : 3 short yellow : 1 short green

Explanation:

Long stems (L_) are dominant to short stems (ll)

Yellow seeds (Y_) are dominant to green seeds (yy)

We interbred pea plants with long stems and yellow seeds (L_Y_), but they had a short green parent (llyy) that could have only produced <em>ly</em> gametes, so our plants are heterozygous <em>LlYy</em>.

C) We interbred them LlYy x LlYy. If the two genes are unlinked, this is a typical dihybrid cross and from Mendel's law of independent assortment we know that the offspring will have the following phenotypic ratios:

  • 9/16 L_Y_ (Long, yellow)
  • 3/16 L_yy (Long, green)
  • 3/16 llY_ (short, yellow)
  • 1/16 llyy (short, green)

A) 3/16 × 1600 = 300 plants will be long and green.

B)

9/16 + 3/16 = 12/16= 3/4 plants will be yellow;

3/16 + 1/16 = 4/16= 1/4 plants will be green.

The ratio will be 3 yellow : 1 green

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3 years ago
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Andru [333]

Explanation:

Many birds, such as geese, seasonally fly to warm places when the weather gets cold. They then return when the weather warms. This process is called migration. ... Migration enables many animals to move to places where it is easier for them to survive.

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2 years ago
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Over [174]

Answer:

Meadow Plants Would Decrease And Rabbits Would Decrease.

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<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>!</em>

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Question 12
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