<span>Carbohydrate
Protein
Lipid
Nucleic Acid</span>
Answer:
64
Explanation:
One codon has three nucleotides. There are four types of nucleotides present in mRNA. These nucleotides differ from each other with respect to the nitrogenous base present in them. These bases present in the mRNA are uracil, guanine, cytosine, and adenine. Therefore, each codon of a triplet code can be replaced with three other nucleotides to produce a different codon. This means that a triplet can have four different bases for each of its three nucleotides. In this way, there are total of 4^3= 64 unique codons.
Answer:fossil records
Explanation:it has nothing to do with Evolution
Answer:
By checking the proportion of those affected by the trait in relation to gender within the population of the offspring
Explanation:
If a trait is sex linked, such trait will be found more in the male sex compared to the female sex within the population.
The male has XY chromosome and as such only needs a copy of the affected allele in order to be affected for the trait. A female has XX chromosome and as such needs two copies of the affected alleles in order to be affected for the trait.
Hence, the proportion of affected male always outweigh the proportion of affected female in a population as far as sex-linked trait is concerned.
<em>Consequently, a scientist might be able to determine whether a trait is sex-linked by observing the proportion of male to female affected by the trait within the offspring's population.</em>
D) different organs that work together to carry out a function
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