Mammals reproduce through a process called sexual reproduction. During this process, which involves two parents,
A. a female egg cell and a male sperm cell each develop separately into an offspring that is identical to its parent.
B. a female egg cell and a male sperm cell each develop separately into an offspring that is different from both parents.
C. a female egg cell combines with a male sperm cell to make an offspring that is identical to one of the parents.
D. a female egg cell combines with a male sperm cell to make an offspring that is different from both parents.
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The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is
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In 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? in 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? staphylococcus aureus bacteria that were able to synthesize cell walls using a protein that was not affected by methicillin survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, some bacteria began to synthesize cell walls using a protein that was not affected by methicillin. these bacteria survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, bacterial populations gradually began to synthesize cell walls using a protein that was not affected by methicillin.
Answers: 3
Mammals reproduce through a process called sexual reproduction. During this process, which involves...
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