* Need all answered The eukaryotic genetic code is said to be redundant because

ID: 282499 • Letter: #

Question

* Need all answered

The eukaryotic genetic code is said to be redundant because ______.

a) phenotypic variation is observed depending on the codon usage.

b) one codon can specify more than one amino acid.

c) It is observed virtually in all known organisms.

d) amino acid sequences are produced by different alleles.

e) some amino acids by more than one codon.

What event probably encouraged the evolution of autotrophic organisms?

a) the synthesis of the first catalytic RNA molecules.

b) the loss of abiotically formed sugars.

c) the loss of abiotically formed ATP.

d) the accumulation of atmospheric oxygen.

Sterility in mules is a result of :

a) reproductive isolation

b) vicariance

c) lateral gene transfer

d) unequal crossing-over

e) endosymbiosis

Answere :

Question 1 : The correct Option is (e) i.e. some Amino acids code by more than one codon.

Question 2 : The correct Option is (b).

Question 3 : The correct Option is (a) i.e. reproductive isolation

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