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SVEN [57.7K]
3 years ago
12

HELP please PLEASEWhat are nostrils full of?

Biology
2 answers:
tamaranim1 [39]3 years ago
8 0

Answer:

Tiny hairs, they filter the air coming in.

Explanation:

Verizon [17]3 years ago
5 0
Nostrils are filled with tiny hairs
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When heterozygous advantage exists, how would you describe the fitness of the heterozygous genotype?
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When heterozygous advantage exists, the fitness of the heterozygous genotype has higher fitness than either homozygote.

<h3>What are genotypes and phenotypes ?</h3>

A person's genotype is made up of all the alleles they have for a certain gene. The sum of a person's attributes or observable characteristics is their phenotype. The phenotype of an organism is only impacted by its genotype, which is directly inherited from its parents.

<h3>Types of genotype :</h3>

There are three different genotype types: homozygous dominant (PP), homozygous recessive (PP), and heterozygous (Pp). The traits are the same in homozygous dominant and heterozygous genotypes.

<h3>Heterozygous</h3>

The existence of two unique alleles at a specific gene locus. One normal allele, one mutant allele, or two separate mutant alleles may be present in a heterozygous genotype.

<h3>Homozygous </h3>

Contrary to a heterozygous genotype, a homozygous genotype exists. You inherited two copies of the same allele if you have a gene called homozygosity. In other words, both of your biological parents contributed the same variations.

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2 years ago
What is the original source of energy in a food web?
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the sun or grass

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first the sun because the sun helps produce photosynthesis which grows the grass so that other animals can eat from the grass

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