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2 years ago

What determines whether an allele is dominant recessive or codominant?

1 answer:

6 0

Based on the gene expression for instance if one parent is tall and and one parent is short it depends if the child is tall or short. if the child is tall then tallness is dominant ans shortness is recessive if the child is short that shortness is dominant and tallness is reccesive. however for codominance its a blending or mixture of both alleles. if a white flour and red a flower are mixed and its offspring is pink that is codominance. hope it helps!

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MakcuM [25]

Answer:

I am pretty sure it is B, weathering and erosion. Hope this helps!

5 0

3 years ago

The family camelids includes camels and llamas. Do all the living members of the family form a clase? Explain?

Harrizon [31]

Camelids are members of the biological family Camelidae, the only currently living family in the suborder Tylopoda. The 7 extant members of this group are: dromedary camels, Bactrian camels, wild Bactrian camels, llamas, alpacas, vicuñas, and guanacos. Camelids are even-toed ungulates classified in the order Cetartiodactyla, along with species like whales, pigs, deer, cattle, and antelopes.

Kingdom:AnimaliaPhylum:ChordataClass:MammaliaOrder:ArtiodactylaSuborder:TylopodaSuperfamily:CameloideaFamily:Camelidae

Gray, 1821Type genusCamelus

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Camelini Gray, 1821

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4 0

2 years ago

Which one of the following is NOT a function of sertoli cells?

zimovet [89]

Answer:

The correct answer will be option-B.

Explanation:

Sertoli cells are the large somatic cells present in the testis which helps in the formation of spermatozoa. The Sertoli cells create a suitable environment for the production and maturation of the sperms as they produce certain molecules which nourishes the sperms.

The Sertoli cells act as a barrier between the testis and blood and secrete enzymes like inhibin. They eliminate the apoptotic germ cells and also produce seminiferous fluid to nourish the sperm. They do not play any role in primary spermatocytes.

Thus, Option-B is the correct answer.

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3 years ago

Can plants use nitrogen found in the atmosphere (N ²)?

asambeis [7]

Answer:

No,

Although the atmosphere is mostly made up of nitrogen, it is in the form of gas known as dinitogen N2. Plant cannot use this form.

Explanation:

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3 years ago

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Marat540 [252]

cilia

olfaction

molecules

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nasal cavity

Hope it helps u 

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3 years ago