Spontaneous Abortions Are Often Due to the Addition or Deletion

question 43

Short Answer

Spontaneous abortions are often due to the addition or deletion of whole ________ in the gametes that fused to form the zygote.

---

Definitions:

Environmental Stimuli

External factors or changes in the environment that can elicit responses from organisms.

Monozygotic Twins

Twins that originate from a single fertilized egg, making them genetically identical.

Genetics

The study of genes, genetic variation, and heredity in living organisms.

Epigenetic Study

An area of biology focusing on the mechanisms that cause changes in the expression of genes without altering the DNA sequence itself.