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Exam 2 genetics portage learning
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Exam 2 genetics portage learning
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By: ash516 • 3 months ago
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Module 2 Exam - Requires RespondusLockDown Browser + WebcamDue No due date Points 100 Questions 22Time Limit 60 Minutes Requires Respondus LockDown BrowserThis quiz is currently locked.Attempt HistoryAttemptTimeScoreKEPTAttempt 2 55 minutes75 out of 100LATESTAttempt 2 55 minutes75 out of 100Attempt 1 37 minutes50 out of 100Score for this quiz: 75 out of 100Submitted Dec 14, 2021 at 8:28pmThis attempt took 55 minutes. ptsQuestion 1Which of the following statements is correct? Mendel’s work demonstrated that genes are linked to similargenes. 2/15/22, 8:50 PMPage 1 of 16 Dominant genes are usually linked to the male sex chromosomes. Mendel’s label of “unit factors” are what we now refer to as genes. Correct!Correct! Genetic characteristics are controlled by unit factors that exist asindividual entities. ptsQuestion 2True or False: A dominant gene will always cause the expressionof a dominant phenotype in the case of complete dominance. True Correct!Correct! False ptsQuestion 3People with sickle-cell disease can become very sick under whatconditions? Desert environments High altitude Correct!Correct!2/15/22, 8:50 PMPage 2 of 16 Low altitude Humid environments ptsQuestion 4
Your Answer:A homozygous long-haired cat is bred with a homozygous short-haired cat. Assuming that the gene for long hair is completelydominant, what are the chances of the F1 offspring being short-haired? 0%
0%; All offspring will be heterozygous long-haired. ptsQuestion 5
Your Answer:A dog breeder is looking to cross a long-haired female dog with ashort-haired male dog. The gene for hair length has incompletedominance. By crossing the F1 offspring, what percentage of theF2 generation are predicted to be medium-haired?2/15/22, 8:50 PMPage 3 of 16
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