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const2013 [10]
2 years ago
13

How do species become different?

Biology
2 answers:
Liula [17]2 years ago
8 0

Answer:

separated by some form of reproductive barrier

Explanation:

alisha [4.7K]2 years ago
7 0

Answer:

Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.

Explanation:

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Do orange juice contain starch​
TiliK225 [7]

Answer: No

Explanation:

7 0
3 years ago
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Which of the following properties of transposable elements allows them to contribute to the C-value paradox?A. Their copy number
frozen [14]

Answer:

All of these choices are correct.

Explanation:

Transposons are the DNA sequences that can move from one location to another in the genome. The transposon genes are also known as jumping genes.

The C value paradox of the transposable elements depends on the different factors. The transposons can increase their number by copy and paste mechanism. The genes can be controlled by the enzyme transposase and their copies may exist at the different site of the chromosome.

Thus, the correct answer is option (D).

8 0
3 years ago
“PKU” is an inherited disease caused by a recessive allele. If a woman and a man are both carriers, where P is the normal allele
user100 [1]

Answer:

Option A, 1/64

Explanation:

The genotype of a carrier female would be Pp

The genotype of a carrier male would be Pp

When these two adults are crossed , the following offspring are produced

Pp x Pp

PP, Pp, Pp, pp

Thus out of four children 3 children have normal phenotype but two are carrier.

So probability of having one normal  child (with genotype PP) is \frac{1}{4}

So the probability of  three normal children is

\frac{1}{4} *\frac{1}{4} *\frac{1}{4} \\= \frac{1}{64}

Hence, option A is correct

6 0
4 years ago
Name one of the organs in the digestive system where digestion takes place​
katrin [286]

Answer:

stomach

Explanation:

7 0
3 years ago
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What would happen if there were no decomposer
velikii [3]
If there were no decomposer then the waste would just sit there and it wouldn't be released back into the ecosystem, so then producers wouldn't have much nutrients.
8 0
4 years ago
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