A typical American 15 year old boy weighed 135.5 in 1966 and 150 in 2002. This change in phenotype over the last decades can be attributed mainly due to:
a. environmental effects
b. x-linkage
c. polygenic inheritance patterns
d. Y chromosome linked genes
e. an autosomal recessive disorder
A typical American 15 year old boy weighed a.135.5 in 1966 and 150 in 2002. This change in phenotype over the last decades can be attributed mainly due to:
a..Environmental effects.
The reason for increase in the weight of the children can be mainly attributed to the change in the dietary pattern, consumption of fast food and sugary beverages coupled with lack of exercise and addiction to internet.
A typical American 15 year old boy weighed 135.5 in 1966 and 150 in 2002. This...
A 2-year-old boy is recently diagnosed with red-green color blindness which is an X-linked recessive disorder. Which of the following represents correct genotypes of this individual’s parents with respect to red-green color blindness? (X - wild type; X allele; R wild type autosomal allele; r recessive autosomal allele and Y chromosome) Mom Rr and Dad rr Mom rr and Dad RR Mom XX and Dad X'Y Mom X'X and Dad XY