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mart [117]
3 years ago
12

What are the two phases of speciation?

Biology
2 answers:
Maslowich3 years ago
8 0

geographic isolation and reproductive isolation

Anna007 [38]3 years ago
6 0
Phase 1: Starts with the separation between populations. Separated populations become adapted to local conditions and become genetically differentiated over time.

Phase 2: Genetic isolation is completed, reproductive isolation develops mostly in the forms of prezygotic RIMs. 
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Tumors secrete chemical signals that cause blood vessels from the circulatory system to grow into the tumor, providing nutrients
mario62 [17]
The answer is D.Angiogenesis

<span>♡♡Hope I helped!!! :)♡♡
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3 0
3 years ago
In a flowering plants species, red flower color is dominant over white flower color. What is the genotype of any white-flowering
katovenus [111]

Explanation:

<u>C. A red allele is present on both homologous chromosomes</u>

<u></u>

Homologous chromosomes are pairs of chromosome of similar lengths, banding patterns, and centromere positions, with genes at the same loci. For dominance, gene copies are present on both of the chromosomes; the dominat variant overrides the effect of the other recessive allele.

Further Explanation:

DNA molecules contain chromosomes that may have different forms called alleles. DNA, which is the genotype, is transcribed into mRNA and later translated into amino acids which are connected together by rRNA to form proteins which constitute the phenotype of an organism. DNA sequence mutations form new alleles, impacting the associated mRNA, and thus the encoded protein.

Homozygous individuals have a chromosome containing two variants of the same allele. Dominant homozygous individuals bear two copies of the dominant allele, whereas recessive homozygous individuals hold two copies of the recessive allele.

 

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly  

6 0
3 years ago
Atoms with a low electronegativity, like calcium, might bond with ____________.
TiliK225 [7]

The answer is A.The calcium atom must bond with an atom of high electronegativity (like fluorine) because the higher electronegativity atom will bully the low electronegativity atom and take away its electrons.

These are the choices:

A. an atom with a high electronegativity, like fluorine

B. another atom with a low electronegativity, like lithium

C. another atom that would like to share electrons

D. no other atoms because it's too weak to bond with anything


7 0
3 years ago
Read 2 more answers
How does the rules of atoms apply to the conservation of mass?
Alchen [17]

Answer:

The Law of Conservation of Mass tells us that matter is neither created nor destroyed during a chemical reaction. Atoms can be rearranged to form new compounds, but the total mass of the system remains constant.

6 0
3 years ago
Which organism is able to cause an infection? O bacteria
frosja888 [35]

Answer:

I think it's white blood cells

8 0
3 years ago
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