When CpG Islands Are Unmethylated, __________

question 56

Multiple Choice

When CpG islands are unmethylated, __________.

• A)chromatin in the promoter region is open, allowing access by transcription factors and RNA polymerase
• B)chromatin in the promoter region is closed, preventing transcription factors and RNA polymerase from binding
• C)chromatin in the enhancer region is closed, so they are unable to bind regulatory proteins to initiate transcription
• D)DNAse hypersensitivity in that region of the chromosome is lost
• E)genes downstream of the CpG islands cannot be expressed, because the promoter region is blocked by histones

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Definitions:

Stepparents

Adults who become parents to their spouse's or partner's children from a previous relationship, without being their biological parents.

Attachment Bond

The emotional connection that develops between a child and their caregiver, crucial for the child's development of security and social skills.

Parent-Child Relationships

The dynamic and emotional bond between parents and their children, influencing their development and well-being.

Never-Married Mothers

Women who have children but have never been married, highlighting a specific family structure.