One of there ansestors must have had blue eyes, or might have been a genetic mutation. But it's rare to find such a random mutation. But we must keep in mind that reproduction of cells and when DNA is copied it could have a mutation. But the likely explanation would be that one of there ansestors or grand parents had blue eyes until the trait that forms brown eyes became more common in the family tree.
The answer would be B...incontinence!
Answer:
Anterograde amnesia
Explanation:
Anterograde amnesia can be defined as the inability to create new memories, giving rise to partial or complete inability to recall the recent past but the long-term memories formed before then remains intact.
Yolanda has a brain tumor and as the brain tumor gets bigger, possibilities are certain that Yolanda part of the brain is being damaged(hippocampus) which result into Anterograde amnesia because the hippocampus plays a vital role in formation of memories.
Answer: there would be no way for energy to enter the food web, and the ecological community would collapse.
Explanation:
everything would die because its a domino effect
The physical expression of genes are phenotype. Phenotype is the expression of the gene by the appearnace of the organism. It is the characteristics of that trait.
Examples : When pigment is made in our eyes, height ( tall and short) , weight, blond hair is the phenotype for the blond hair genotype and skin colour( black, white ) is the phenotype trait.