Which Form of Contraception Prevents Implantation of the Blastocyst

question 122

Multiple Choice

Which form of contraception prevents implantation of the blastocyst?

• A) Rhythm
• B) Mechanical barriers
• C) Oral contraceptives
• D) IUD
• E) Chemical barriers

---

Definitions:

Recessive Gene

A gene that produces its characteristic phenotype only when its allele is identical and not masked by a dominant gene in the pair.

Heterozygous

A genetic condition in which an individual has two different alleles of a gene, one inherited from each parent, contributing to genetic diversity.

Hereditary Transmission

The process by which genetic information is passed from parents to their offspring, determining inherited traits.

Genes

Units of heredity made up of DNA that act as instructions to make molecules called proteins, influencing how organisms develop and function.