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Pathways to a third child in Sweden
The transition from two to three children is investigated, using data on Swedish women's fertility behavior and labor force participation over a period of some 20 years ending in 1992/93. Two questions are examined: what is the relationship between working life and childbearing of two-child mothers? Are there differences in fertility between cohabiting and married couples? Several paths to the third child are identified, one of women with a university education and another of women with preference for more children, reflected by marriage after having the first or the second child or by persistent working experience followed by household work.
The transition from two to three children is investigated, using data on Swedish women's fertility behavior and labor force participation over a period of some 20 years ending in 1992/93. Two questions are examined: what is the relationship between working life and childbearing of two-child mothers? Are there differences in fertility between cohabiting and married couples? Several paths to the third child are identified, one of women with a university education and another of women with preference for more children, reflected by marriage after having the first or the second child or by persistent working experience followed by household work.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...
