User talk:Atcovi/Developmental Psychology/Chapter 2 (Birth)

How do monozygotic twins and dizygotic twins?
To form identical or monozygotic twins, one fertilised egg (ovum) splits and develops into two babies with exactly the same genetic information. To form fraternal or dizygotic twins, two eggs (ova) are fertilised by two sperm and produce two genetically unique children.

https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/twins-identical-and-fraternal —Atcovi (Talk - Contribs) 23:54, 1 September 2021 (UTC)

What is the relationship between genes, chromosomes and DNA?
Chromosomes are the structures made up of chromatin. Chromatin is the threads of DNA that get condensed to form chromosomes. Genes are the segments of DNA that code for proteins. Hence, each chromosome is made up of DNA and contains many genes because of segments of DNA.

https://www.toppr.com/ask/en-us/question/what-is-the-relationship-between-genes-chromosomes-and-dna/ —Atcovi (Talk - Contribs) 23:56, 1 September 2021 (UTC)

Pre-Natal Testing (2.2)
Advantages: Close track of the growing life and assurance of safety of the developing human life. Makes birthing easier and eases parents ability to deal with the process. Also, if any complications arise, they will be addressed ASAP.

Disadvantages: Raises anxiety, mother may learn unwanted info, arguments about petty things between the couple. Example of negative part of testing: alpha-fetoprotein (AFP) - false positives may give the allusion that the baby will become autistic or have down syndrome. —Atcovi (Talk - Contribs) 22:23, 2 September 2021 (UTC)