Weight is a quantitative trait and mice with defective leptin tend to have problems controlling weight since this gene is associated with it.
<h3>What is a quantitative trait?</h3>
A quantitative trait is a phenotypic feature controlled by many genes and the interaction with the environmental factors.
Weight, height, behavioral features are all examples of quantitative traits because these types of phenotypic features show continuous variation.
Quantitative traits are modulated by gene interactions and therefore exhibit both epistatic and pleiotropic effects.
The leptin gene is a gene in mammal involved in neuronal control to metabolic signals and thereby it is associated with weight.
In conclusion, weight is a quantitative trait and mice with a defective form of the leptin gene tend to have problems controlling weight because it is associated with this trait.
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THE ANSWER IS MOST LIKELY GOING TO BE B
<span>You only need to consider the 5 gene pairs that give different alleles. The number of different eggs or sperm = 2n, where "2" indicates 2 different alleles for each trait and "n" = the number of traits. = </span><span>32</span>
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In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
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