jessejames48
14.11.2019 •
Biology
Adog is trained to sit and shake hands. these traits are most likely. (1 point)
a. inherited
b. not inherited
c. not acquired
d. innate 2. in a particular breed of cattle, a black coat is dominant over a red coat. if a cow with a red coat is crossed with a black bull that is heterozygous for coat color, what percentage of their offspring would you expect to be black? (1 point)
a. 25%
b. 50%
c. 75%
d. 100% 3-- 4. what is a mutation?
a. a mutation is a permanent change i the order of the bases of dna.
b. a mutation is a temporary change in the order of the bases of dna.
c. a mutation is a permanent change in the way a cell carries out mitosis.
d. a mutation is a temporary change in the way a cell carries out mitosis.
5. in humans, having dimples is a dominant trait. in order for a child to have dimples (1 point)
!
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Ответ:
2.b. 50%
3.a. a mutation is a permanent change I the order of the bases of DNA.
5.In humans, having dimples Is a dominant trait. in order for a child to have dimples, either parent must have that trait.
Hope this helps!
Ответ:
The correct answer is option A (Dead plants and animals).
Explanation:
Fossil fuels are hydrocarbon-containing materials like natural gas, fuel oil, coal which act as a source of energy. These fossil fuels are formed from the remains of dead animals and plants of Carboniferous Period about 360 to 286 million years ago.
At that time the remains of plants and animals along with micro-organisms were decayed which were later covered by sand and silt and trapped it under the rocks. Over time heat and pressure compressed it and changed it into coal, oil and some trapped pockets of gases known as natural gas.
Thus, option A (Dead plants and animals) is the correct answer.