A brown eyed man whose father was brown eyed and whose mother was blue eyed marr
ID: 217816 • Letter: A
Question
A brown eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both blue eyed. The couple has a blue eyed son. For which of thre individuals mentioned can you be certain of the genotypes? What are their genotypes? What genotypes are possible for others A brown eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both blue eyed. The couple has a blue eyed son. For which of thre individuals mentioned can you be certain of the genotypes? What are their genotypes? What genotypes are possible for others A brown eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both blue eyed. The couple has a blue eyed son. For which of thre individuals mentioned can you be certain of the genotypes? What are their genotypes? What genotypes are possible for others A brown eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both blue eyed. The couple has a blue eyed son. For which of thre individuals mentioned can you be certain of the genotypes? What are their genotypes? What genotypes are possible for others A brown eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both blue eyed. The couple has a blue eyed son. For which of thre individuals mentioned can you be certain of the genotypes? What are their genotypes? What genotypes are possible for othersExplanation / Answer
1) Brown eyed man (Bb) (certain of the genotype)
2) His father (B? / he can be Bb or BB)
3) His mother (bb) (certain of the genotype)
4) His wife (b? / she can be bb or Bb)
5) Wife’s father (B? / he can be Bb or BB)
6) Wife’s mother ((B? / she can be Bb or BB)
7) Brown eyed man’s son (bb) (certain of the genotype)
For brown eyed man, his mother and brown eyed man's son, we are certain of the genotypes.
The wife’s father and mother both cannot be BB because the son is blue eyed (bb). Therefore, the wife can be either blue eyed (bb) or brown eyed (Bb).
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