Asked by Jennifer Nguyen on Jul 27, 2024
Verified
A zygote that divides into two genetically identical replicas is called
A) monozygotic twins.
B) dizygotic twins.
C) cross-fertilization.
D) mitosis.
Monozygotic Twins
Identical twins that originate from a single fertilized egg, splitting and developing into two embryos.
Dizygotic Twins
Also known as fraternal twins, are two siblings born at the same time as a result of two different eggs being fertilized by two different sperm cells, sharing 50% of their DNA.
Zygote
The initial cell formed when a sperm fertilizes an egg, representing the earliest stage of embryonic development.
- Differentiate between monozygotic and dizygotic twins and understand the factors influencing twin pregnancies.
Verified Answer
MS
Michael SimmonsAug 02, 2024
Final Answer :
A
Explanation :
Monozygotic twins result from the division of a single zygote into two genetically identical replicas, leading to the development of two individuals who share the same genetic material.
Learning Objectives
- Differentiate between monozygotic and dizygotic twins and understand the factors influencing twin pregnancies.