Assuming you mean to type:
"In humans, the allele for dimples (D) is dominant to
the allele for no dimples (d). at another gene locus, the allele for broad
eyebrows (B) is dominant to the allele for broad eyebrows (b)."
Man: Heterozygous for both genes means DdBb
Woman: no dimples, and heterozygous for slender eye-brows
means ddBb
Punnett Square
DB Db
dB db
dB DdBB DdBb ddBB
ddBb
dB DdBB DdBb ddBB ddBb
db DdBb Ddbb
ddBb ddbb
db DdBb Ddbb
ddBb ddbb
Interpretation: anywhere that has a capital letter has the
dominant trait.
Dimples+Broad eyebrows : 6 cases out of 16 (3/8=37.5%)
Dimples+slender eyebrows: 2 cases out of 16 (1/8=12.5%)
No dimples+Broad eyebrows: 6 cases out of 16 (3/8=37.5%)
No dimples+slender eyebrows: 2 cases out of 16 (1/8=12.5%)
Answer:
B. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.
Explanation:
In experimental bias the researcher is more likely to attempt to manipulate or produce results that show their work in a positive outcome. In this case, the company is aiming to perform research on their product that goes against their competitors.
UwU