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Tresset [83]
3 years ago
11

When is a recessive allele expressed?

Biology
1 answer:
Andreas93 [3]3 years ago
8 0

Answer:

when an organism is homozygous at the locus

Explanation:

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Birds, like mammals, can regulate their body temperatures within close limits. therefore birds and mammals are called
Serggg [28]
I believe they are called endothermic. 
Endotherms also called warm blooded animals are those that maintain a constant body temperature independent of the environment. They primarily includes, birds and animals, but some fish are also endothermic. On the other hand ectothermic animals or cold blooded animals are those whose regulation of body temperature depends on the external sources such as sunlight. 
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3 years ago
What supply of oxygen exists in the body at any one time?
german

Answer:

4 min to 6 min

Explanation:

Most people have a four-to-six minute supply of oxygen in the body at any one time.

However, a group of people called the Bajau have divers who can stay underwater for as long as 13 min at depths of around 60 m.

4 0
3 years ago
The primary growth of a plant adds __________, and secondary growth adds __________. View Available Hint(s) The primary growth o
kari74 [83]

Answer:

1. Height

2. Girth

Explanation:

The woody plants grow in two manners: the primary growth and secondary growth.

The primary growth is considered the type of growth which increases the height of the plant which involves the apical meristem present at the tip of the shoot.

When the height increases up to its maximum length, then secondary growth begins which add tissues to the side that is it increases the girth by adding bark, secondary xylem and phloem.

Thus, Height and Girth is correct.

6 0
2 years ago
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Which substance is the chemical food source for the soybean plants?
Mice21 [21]
The substance is the chemical food source for the soybean plants is glucose. A soybean plant uses cellular respiration to generate usable chemical energy, released within the cell as molecules of <span>carbon dioxide. 
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
3 0
3 years ago
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Crossing over occurs during Prophase II.<br><br> A. True<br><br> B. False
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False
crossing over occurs in prophase 1 of meiosis 1. The significance of this crossing over is to ensure cell differentiation. If this occurred in prophase two it means the cells in meiosis 1 will be identical.
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3 years ago
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