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Chapter 4
Infancy and Parenting
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Copyright 2010 McGraw-Hill Australia Pty Ltd
PPTs to accompany Claiborne & Drewery, Human Development
4-1
The child arrives into a repository of resources for learning
• The family is a complex, constructed ecology – Each family has its own stories, meanings,
preoccupations
– The child is born into this complex environment • Relationships are multi-dimensional
– Ancestors may be present through photographs and remembrances
• Place offers a physical and social environment – Climate
– Cultural expectations
• Local traditions, laws, community
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Copyright 2010 McGraw-Hill Australia Pty Ltd
PPTs to accompany Claiborne & Drewery, Human Development
4-2
Becoming a parent
• Is becoming a parent a human right?
• Should aspiring parents have enough resources to support a child before becoming pregnant?
• Planning for pregnancy has only been possible since the birth control “pill” arrived in the 1960s
• Conception outside the woman’s body is possible, but not guaranteed to work
• Assisted human reproduction raises numerous issues
• Many pregnancies are unplanned
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Copyright 2010 McGraw-Hill Australia Pty Ltd
PPTs to accompany Claiborne & Drewery, Human Development
4-3
Genetic origins
• All living cells contain deoxyribonucleic acid (DNA)
• DNA carries the genetic messages which tell the cells how to behave
• Each cell has half its genes from the father, and half from the mother
• All human cells have
23 pairs of chromosomes
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Copyright 2010 McGraw-Hill Australia Pty Ltd
PPTs to accompany Claiborne & Drewery, Human Development
4-4
Conception
• Conception is the meeting of a half string of chromosomes from the mother and a half string from the father
• Meiosis germ cells (ovum or sperm) – Chromosomes separate from their pair string.
• sperm + ovum conception (embryo)
• The embryo embeds in the wall of the uterus – Successful? The mother is pregnant!
• Cells continue to divide and multiply
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Copyright 2010 McGraw-Hill Australia Pty Ltd
PPTs to accompany Claiborne & Drewery, Human Development
4-5
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