The lac operon is encodes multiple enzymes which catabolize lactose, for example beta-galactosidase
<h3>What is an operon?</h3>
An operon is a cluster of genes that are transcribed together to give a single messenger RNA (mRNA) molecule which which is used for the synthesis of multiple proteins.
An example of an operon is lac operon.
The lac operon is encodes multiple enzymes which catabolize lactose, for example beta-galactosidase.
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Answer;
C. His mother carried at least one allele for that trait
Explanation;
-Men have a single allele of each gene on the X chromosome, inherited from their mother, and a single allele of each gene on the Y chromosome, from their father.
-A sex-linked trait is a trait that is controlled by a gene or an allele located on the sex chromosome.
-X-linked traits are maternally inherited from carrier mothers or from an affected father. Each son born to a carrier mother has a 50% probability of inheriting the X-chromosome carrying the mutant allele.
Answer:
b. Animals are able to blend into
their surroundings and not be
seen by predators.
Explanation:
When an animal is camouflaged, the animal is not able to be seen by its predator because it looks like its surroundings. Its like playing hide and seek except your playing to survive.
Ferns were the dominant plant form during the paleozoic Era
