Answer:
Explanation:
It is carbon because its used to build macromolecules
I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous
Answer: to start what cycle
Explanation:
An isotope of the element.
Answer:
The correct answers are A and B.
Explanation:
Pleiotropy is defined as "when a single gene affects two or more phenotypic characteristic of an organism.". Phenotypic refers to the traits that can be physically observed or measured in an organism, for example height, hair color etc. So the examples of pleiotropy in the given options are in A and B which describe situations where one gene affects two or more phenotypic traits.
I hope this answer helps.
