The diagram above shows four steps in an attempt to investigate the release of gas during photosynthesis. Each setup was kept at
25 degrees C for 10 hours. What was the Independent Variable in this experiment?
a. temperature
b. water*
c. time
d. light
a. temperature
b. water*
c. time
d. light
1 answer:
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Answer:
Genotype ratio = 1 X^hX : 1 XX : 1 X^hY : 1 XY
Phenotype ratio = 2 normal daughters : 1 affected son : 1 normal son
Explanation:
Given that the father of the woman has hemophilia, the father must have transferred the allele for hemophilia (let us assume "h") to her. This makes the woman carrier for the disease (genotype = X^hX). The genotype of the normal man would be "XY".
A cross between carrier woman and normal man would obtain 2 normal daughters, 1 affected son and 1 normal son.
Genotype ratio = 1 X^hX : 1 XX : 1 X^hY : 1 XY
Phenotype ratio = 2 normal daughters : 1 affected son : 1 normal son
