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Vikentia [17]
3 years ago
11

Why is it possible for an amino acid to be called for by more than one codon ?

Biology
1 answer:
tia_tia [17]3 years ago
4 0
There are 20 amino acids and 64 codon combinations that make up an amino acid, therefore some amino acid combinations result in the same amino acid.
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Because they have flowers which attract pollinators
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A nurse receives an emphatic complaint from a client in a semi-private room that the night shift nurse did not come into the roo
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3 years ago
In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

5 0
3 years ago
In which type of human cell(s) would 46 chromosomes be located? Select all that apply.A. diploidB. eggC. somaticD. gameteE. sper
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Answer:

A. diploid and C. somatic

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Humans are diploid organisms and have 23 pair of chromosomes i.e. in total humans have 46 chromosomes.

There are 2 types of cells in humans (1) somatic cells and (2) germ cells.

Somatic cells are normal body cells which are diploid and have all 23 pairs of chromosomes. But, germ cells are special type of cells which are produced by gonads (sex organs). Germ cells are also known as gametes. In females, ovary is the sex organ which produces germ cells named as egg cells while in males testes is the sex organ which produces germ cells named as sperms. Germ cells (egg and sperm) are haploid cells which fuse to form a zygote which is the first cell of next generation. The process of fusion of egg and sperm is known as fertilization which is responsible for restoring diploidy in the progeny which receives half the genetic material from female parent and half the genetic material from male parent.

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3 years ago
Which is visible to the naked Which is visible to the naked eye? A. atoms B. chemical bonds C. attractive forces D. substances t
damaskus [11]
D. Substances that atoms make up
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3 years ago
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