In a certain plant, when individuals with blue flowers
are crossed with individuals with blue flowers, only
blue flowers are produced. Plants with red flowers
crossed with plants with red flowers sometimes
produce only red flowers, although other times they
produce either red or blue flowers. When plants with
red flowers are crossed with plants with blue flowers,
sometimes only red flowers are produced; other
times either red or blue flowers are produced. Which
gene is dominant? What will be an ideal response?
Answer: Red
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VNTRs and STRs differ in that
A) a VNTR repeat is shorter than an STR repeat. B) a VNTR repeat is longer than an STR repeat. C) a VNTR is a type of copy number variant and an STR is not. D) an STR is a type of copy number variant and a VNTR is not.
Reproduction always involves which of the following?
a. creation of a minimum four cells per round of cell division b. creation of genetically identical cells c. the use of DNA as a basis for cellular reproduction d. the use of RNA as a basis for cellular reproduction
DNA replication is considered
a. random. b. the same as base pair subsitituion. c. conservative. d. heritable. e. semiconservative.
Glass has a greater refractive index than air. This means that ________.
A. the light is bent away from the normal when passing through glass from air B. the velocity of the light accelerates when it passes through the glass from the air C. the velocity of the light is slowed when it passes through the air from the glass D. the velocity of the light is slowed when it passes through the glass from the air