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The answer is :
D. The formation of a receptor-ligand complex.
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the answer is c. chemical bonding bc its the attraction between atoms.
Answer:
Produce and transport haploid gametes.
Explanation:
The reproductive system is a set of organs used to produce gametes and lead them outside the organism. Thus, this system is responsible for the production of gametes in the body of the animal or human, and in the case of male beings, their transfer to the body of the female in order to fertilize it and give way to reproduction, which is, in short, part of the tasks that every living being instinctively develops at some point in their life. The organs of the reproductive system are distinguished internally and externally. In humans, the external organ is the vagina for women and the penis for men, respectively.
Half of the homologous pair is maternal and the other half is paternal.
The correct answer is D Heterozygous
Alleles are different variants of the same gene, located at the same place in the genome, the same locus.
Since we have two copies of all of the genes, one inherited from our father and other inherited from our mothers, we have two copies or alleles of the same gene.
If both of our parents pass us the same allele, the same variant of a gene, we would be Homozygous for that gene.
In the case that our parents pass to us two different alleles, we would be Heterozygous.