Question

У людини кароокість димінує над блакитноокістю а праворукість-над ліворукістю. блакитноокий лівша одружився з жінкою яка мала карі очі та була праворукою(дигетерозигота).визначте можливі генотипи та фенотипи дітей від цього шлюбу

Answer 1

А - карие глаза

а - голубые

В - правша

в - левша

аавв+АаВв

Возможные генотипы потомства:

АаВв; ааВв; Аавв; аавв.

Соответственно, фенотипы:

Кареглазый правша; голубоглазый правша; кареглазый левша; голубоглазый левша

Answer 2

Genotype and Phenotype Possibilities for Children from the Marriage

In this scenario, we have a blue-eyed left-handed individual (blakytnooky lіvsha) marrying a woman who has brown eyes and is right-handed (karі ochі ta bula pravorukoyu). The question is asking for the possible genotypes and phenotypes of their children.

To determine the possible genotypes and phenotypes of the children, we need to consider the inheritance patterns for eye color and handedness.

1. Eye Color Inheritance: - Eye color is determined by multiple genes, but for simplicity, let's assume it is controlled by a single gene with two alleles: B (for brown eyes) and b (for blue eyes). - The blue-eyed individual is homozygous for the blue eye allele (bb), as stated in the question. - The woman is heterozygous for eye color (digeterozygotа), meaning she has one brown eye allele (B) and one blue eye allele (b).

Based on this information, the possible genotypes for the children's eye color are: - 50% chance of being heterozygous for eye color (Bb) - 50% chance of being homozygous for blue eyes (bb) [[1]].

Therefore, all the children will have blue eyes (phenotype) since both parents contribute a blue eye allele.

2. Handedness Inheritance: - Handedness is a complex trait influenced by both genetic and environmental factors. - While there is no single gene that determines handedness, it is believed to have a genetic component. - However, the specific genes and inheritance patterns for handedness are not well understood.

Given the limited information available, we cannot definitively determine the possible genotypes or phenotypes for handedness in the children.

In summary, the possible genotypes for the children's eye color are 50% Bb and 50% bb, resulting in all the children having blue eyes as their phenotype. The genotypes and phenotypes for handedness cannot be determined with the information provided.