In a family, both parents have freckles and widow's peak. Both of these traits are dominant: F = freckles, W = widow's peak
What is the correct phenotypic ratio of the next generation if the parents were heterozygous? The order of the genotypes is: freckled with widow's peak; freckled, straight hairline; no freckles with widow's peak; no freckles, straight hairline. A) 9:3:1:1
B) 9:3:3:1
C) 9:1:1:3
D) 1:3:3:9
B
You might also like to view...
Vaccines produced by genetically engineered bacteria cannot cause disease they are modeled after
Indicate whether the statement is true or false
The methods of ____ have had the greatest impact on human genetics in recent decades
a. cytogenetics b. molecular genetics c. transmission genetics d. translational medicine e. genomics
The transforming principle described by Griffith in his work with Streptococcus pneumoniae is ____
a. a polysaccharide capsule b. a phospholipid c. protein d. RNA e. DNA
Bob dreamt he was biking for five hours. The actual time he was in ____ sleep was probably about ____ minutes
a. beta; 15