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Bumek [7]
3 years ago
7

The nurse is teaching a client, who is pregnant for the first time, about the signals that indicate the beginning of labor. whic

h sign will the nurse mention as a signal for the beginning of labor?
Biology
1 answer:
Alex73 [517]3 years ago
3 0
Contractions and water breaking!! Hope this helps.
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Answer: i think its B or C

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The evolutionary theory that suggests that a species can suddenly and rapidly evolve into a new species is ?
Mekhanik [1.2K]

<span>Punctuated Equilibrium/ Equilibria proposes that once species appear in the fossil record, the population  will be in the state of little or absent morphologic change. This is called a state of stasis. The theory further proposes that the population is confined to infrequent and geographical rapid events when significant evolutionary change happens.  The parent species will the split into two distinct species. This process if called cladogenesis.</span>

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3 years ago
"Which mode of inheritance produces heterozygotes with phenotypes that differ from either homozygote but typically more closely
lyudmila [28]

Which mode of inheritance produces heterozygotes with phenotypes that differ from either homozygote but typically more closely resembles one homozygous phenotype than the other?"

A) complete dominance

B) incomplete dominance

C) codominance

D) epistasis

E) incomplete penetrance

Answer:

B) incomplete dominance

Explanation:

Incomplete dominance occurs when the dominant allele of a gene is not able to mask the expression of the recessive allele completely. This results in the expression of a phenotype in the heterozygous genotypes that differ from both homozygous genotypes. However, the phenotype of the heterozygote is closer to one of the homozygous genotypes.

For example, the petal color in four o'clock plant is controlled by a gene with two alleles R and r. Here, the "R" allele can not produce enough pigment in heterozygous conditions to completely mask the expression of the "r" allele and the phenotype of the "Rr" plant is "pink". On the other hand, the phenotype of "RR" plant is red while that of the "rr" plant is "white".

5 0
3 years ago
The mass of some corn plants at the end of their growth period was 6 tons per acre. Most of this mass was produced from?
Aleksandr [31]
<span>The majority of mass of any plant is produced from water from the soil and carbon dioxide with sunlight from the air. 6 CO2 + 6 H2O + sunlight ---> C6H12O6 + 6 O2 ... The gluclose (C6H12O6) is a simple sugar that becomes the biomass of the plant. Other minor contributors to the mass are from fertilizers (mostly N, P, and K) and minerals.</span>
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joja [24]
The question is B because the water move from the land to the air
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