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babunello [35]
3 years ago
15

When is the sun directly overhead in the continental United States ?

Biology
1 answer:
uranmaximum [27]3 years ago
8 0

Answer:

The correct answer would be never due to the tilt of the earth.

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What is hepatitis c​
Mrrafil [7]

Answer:

Virus

Explanation:

Hepatitis C virus, a member of the Hepacivirus C species, is a small, enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae. The hepatitis C virus is the cause of hepatitis C and some cancers such as liver cancer and lymphomas in humans

5 0
3 years ago
Read 2 more answers
How do corals get food?
irina [24]

Answer:

Zooxanthellae only

Explanation:

Zooxanthellae is a colloquial term for single-celled dinoflagellates that are able to live in symbiosis with diverse marine invertebrates including demosponges, corals, jellyfish, and nudibranchs.

3 0
2 years ago
What are the effects of Speciation & Extinction on biodiversity​
Sunny_sXe [5.5K]

Answer:

Specitation increases biodiversity, while extinctions decrease biodiversity.

Explanation:

Biodiversity is the variety of life on Earth or some specified geographic area of the planet; the diversity of life occurs at the genetic level, at the species level, at the ecosystem level, and in evolutionary lineages.

6 0
3 years ago
Read 2 more answers
explain how complete dominance, co dominance, incomplete dominance, and sex linked traits are inherited and expressed differentl
dlinn [17]
<span> COMPLETE DOMINANCE:
</span>
<span>Mendel concluded that some alleles are dominant and others are recessive. When one dominant allele is present, it's enough to make the recessive allele unexpressed (this is what happens in heterozygous individuals). In other words, it 'hides' or masks the recessive allele.

CO-DOMINANCE:

-a condition in which both alleles are dominant.
</span>
There are alleles that have the capacity of dominating at the same time, and when an organism is heterozygotic, both alleles are expressed.
For example, a white chicken(WW) crossed with a black chicken (BB):  100% of the offspring being WB. With this genotype, they have black feathers and white feathers.
It's not a blend of colors, but a case where both are expressing.

INCOMPLETE DOMINANCE:
-a condition with none of the alleles is dominant or recessive, so the traits blend in the phenotype.

Some alleles are not completely dominant, and when that's the case the phenotype of a heterozygous organism will be a mix between the phenotypes of its homozygous parents.

For example:
plant 1: RR -red
plant 2: rr- white

By crossing this plants we will obtain 100%  of the offspring with a color mix: pink.(genotype: Rr)
Red and white are not completely dominating so it results in a blend of colors.

SEX LINKED TRAITS

Sex chromosomes contain genes that determine the sex of a person. Two X chromosomes result in a female and one X plus a Y result in a male.

In those chromosomes, there are genes specific for each gender, and in those chromosomes, there are genes that code for certain traits- the sex-linked traits.
These traits will be inherited according to the sex chromosomes they receive from their parents.









5 0
3 years ago
Which of the following options best depicts the flow of information when a gene directs the synthesis
valentina_108 [34]

The flow of <u>DNA → mRNA → protein </u>depicts the flow of information when a gene directs the synthesis of a cellular component.

Explanation:

Genetic information needs to flow in a specific pattern in order a gene to transform into a component like protein. This transformation takes place through the processes of transcription inside the nucleus and translation in the ribosomes. So the pathway: DNA → mRNA → protein will be correct flow of information for protein synthesis from DNA code. The mRNA or the messenger RNA encodes the genetic information or the chemical blueprint of the particular protein to be synthesized. This flow represents the central dogma of genetic information pathway or flow, which is; DNA encodes the RNA and the RNA encodes the Protein

6 0
3 years ago
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