Suppose that a man has brown eyes. his genotype is bb. he got the b gene from his mother and the b gene from his father. how many types of reproductive cells can he produce by meiosis, with regard to eye color? a two b one c four d an unlimited number

One group of reptiles, characterized by the fossil ark metal x

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood