14. If an organism has the genotype “Nn” where “N” codes for a receding hairline and is dominant and "n" codes for a straight hairline and is recessive, what is the genotype of it's parents?
a. Nn, Nn
b. nn, NN
C. NN, Nn
d. Not enough info to answer

Which best describes how parents affect the genotype of a child? a. the parents decide what to feed their child b. the parents choose whether to educate their child c. the parents allow their child to stay up late d. the parents pass along genes to the child

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.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline. which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used