The Narrow-Sense Heritability (H²)for Several Traits in Domesticated Cattle Follow

question 15

Essay

The narrow-sense heritability (h²)for several traits in domesticated cattle follow:
$$\begin{array} { l l l } \text { Trait } &{ h ^ { 2 } } \\\hline \text { Percent protein in milk } & 0.54 & \\\text { Feed efficiency } & 0.34 \\\text { Milk yield } & 0.30 & \\\text { Calving interval } & 0.01 &\end{array}$$
a)Which of these traits would be most responsive to artificial selection?
b)Which would be least responsive?

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Definitions:

Genetic Influences

The impact that the genetic makeup of an individual has on their traits, behavior, and susceptibility to certain conditions.

Hormonal Influences

The effect that hormones have on bodily functions, mood, behavior, and overall health, often influencing growth, metabolism, sexual function, and mood.

Y Chromosome

A sex chromosome typically found in males, paired with an X chromosome in XY sex-determination systems, playing a crucial role in male development and fertility.

X Chromosome

is one of the two sex chromosomes, with females typically having two X chromosomes and males having one X and one Y chromosome.