Which of the following scenarios would most likely lead to a change in DNA that would increase genetic variation in the individual’s offspring? Question options:

a)

A G - C base pair changes to an A - T base pair randomly during meiosis in a young woman.

b)

An A - T base pair changes to a C - G base pair during mitosis in a liver cell of a young man.

c)

A virus inserts nine base pairs into a lung cell of an elderly man.

d)

UV radiation mutates the skin cells of a pregnant mother, changing two G bases to T bases.

answer; /// the correct )

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.