Coat color in one breed of mice is controlled by
incompletely dominant alleles so that yellow and
white are homozygous while cream is heterozygous.
The cross of two cream individuals will produce
a. all cream offspring.
b. equal numbers of white and yellow mice, but no
cream offspring.
c. equal numbers of white and cream mice.
d. equal numbers of yellow and cream mice.
e. equal numbers of white and yellow mice, with
twice as many creams as the other two colors.
Answer: e
You might also like to view...
What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle (stage 2 of photosynthesis)?
A. The electron shuttles (ATP and NADPH) B. The water C. The sugars D. The oxygen and carbon dioxide molecules
A viral lytic cycle is characterized by:
a. rapid infection and emergence. b. rapid infection, replication of nucleic acids and proteins, assembly of virions and release by rupture. c. a virus remaining in the host cell then being released. d. a viral nucleic acid being inserted into the host genome and possibly residing through multiple cell divisions prior to lytic.
The structural organization of muscle fibers makes it possible to produce contractile force
a. What is the fundamental contractile unit of skeletal muscle? b. What are the names of the bands, lines and zone of the contractile unit of skeletal muscle? c. Each of the contractile unit region names in (b) contains a letter. What does each of these letters stand for? d. What changes occur in the contractile unit regions during contraction? What will be an ideal response?
Which is incorrect about anthropoids?
A. They were active during the night. B. They lived in groups. C. Their direct descendants are the monkeys. D. They evolved after the prosimians.