1. Study Table 5 and answer the questions
Table 4: Pattern Baldness in Male and Female Humans
...
1. Study Table 5 and answer the questions
Table 4: Pattern Baldness in Male and Female Humans
Male
Female
Phenotypes
Genotypes
Phenolypes
Bald
XY .
Bald
Bald
XY
Not Bald
Not Bald
X YARDIM Not Bald
Genotypes
XX
XX
XXX
2. Determine the genotype and phenotype of the offspring if the mother is bald (XX) as
well as the father (XY), Illustrate the probability of their children having pattern
baldness using Punnelt square.
a. Will any of their children have the condition?
b. How many percent of the female is bald? Not bald?
C. How many percent of male is bald? Not bald?
d. Identify the genotype of the male and female.
Answers: 2
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Rease is an enzyme used by plants to break down urea (a nitrogen-containing compound) into carbon dioxide and ammonia. urease urea > > > carbon dioxide and ammonia ammonia is broken down by plants into a nitrogen source plants need to grow. thus, plants could not use urea as a nitrogen source unless it was first converted to ammonia. in soybean plants there are two different kinds of urease, one produced in the seeds and the other produced in the leaves of the plant. three types of soybean plants were used in a set of experiments: normal soybeans and two mutant strains, one lacking the urease in the seeds only (strain 1) and one lacking urease in the leaves only (strain 2). experiment 1 separate areas in a field were planted with normal, strain 1, and strain 2 soybeans. all types of soybeans appeared to grow, flower, and produce seeds equally well. there were no externally detectable differences among the strains. experiment 2 small pieces of plant leaves of equal weight were obtained from each type of soybean plant and separately placed on media in culture dishes. tissue growing in this way will become an unorganized clump of cells referred to as callus. to provide a controlled nitrogen source, half the tissue samples of each type were placed on media containing urea, and the other half of the samples were placed on media containing ammonia. after 30 days, the weight gain for each of the callus samples was determined. results are shown in the table below.
Answers: 2
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