Question

9.) In humans, when a dark-skinned person reproduces with a very light-skinned person, their children may range in color from dark to brown. This occurs because skin color is controlled by more than one gene (the exact # of genes is not known). For your convenience, a table is presented below that shows several possible genotypes & phenotypes: Genotypes Phenotypes AABB Very dark skin AABb or AaBB Dark skin AaBb, AAbb, or aaBB Medium brown skin Aabb or aaBb Light skin aabb Very light skin If a man with dark skin whose genotype is AaBB reproduces with a woman who has light skin (aaBb), what are the possible skin colors that their children will have? Develop a Punnett square and list the possible genotypes & phenotypes.

          9.) In humans, when a dark-skinned person reproduces with a very light-skinned person, their children may range
in color from dark to brown. This occurs because skin color is controlled by more than one gene (the exact # of
genes is not known). For your convenience, a table is presented below that shows several possible genotypes &
phenotypes:

Genotypes			Phenotypes

AABB				Very dark skin
AABb or AaBB			Dark skin
AaBb, AAbb, or aaBB		Medium brown skin
Aabb or aaBb			Light skin
aabb				Very light skin

If a man with dark skin whose genotype is AaBB reproduces with a woman who has light skin (aaBb), what are the
possible skin colors that their children will have? Develop a Punnett square and list the possible genotypes &
phenotypes.

9.) In humans, when a dark-skinned person reproduces with a very light-skinned person, their children may range
in color from dark to brown. This occurs because skin color is controlled by more than one gene (the exact # of
genes is not known). For your convenience, a table is presented below that shows several possible genotypes
phenotypes:

Genotypes Phenotypes

AABB Very dark skin
AABb or AaBB Dark skin
AaBb, AAbb, or aaBB Medium brown skin
Aabb or aaBb Light skin
aabb Very light skin

If a man with dark skin whose genotype is AaBB reproduces with a woman who has light skin (aaBb), what are the
possible skin colors that their children will have? Develop a Punnett square and list the possible genotypes
phenotypes.

Added by Asunci-N S.

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