Question
Environmental sex determination
✓
Answer
- Widow’s peak is a prominent ‘V’ shaped hairline on forehead.
- It is due to autosomal dominant gene.
- Widow’s peak occurs in homozygous dominant (WW) and also heterozygous (Ww) individuals.
- Individuals with homozygous recessive (ww) genotype do not have widow’s peak but have a straight hair line.
- Both males and females have equal chance of inheritance.
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