35True or False Human skin color is controlled by one gene t

35-True or False? Human skin color is controlled by one gene that exhibits codominance in the phenotype.

22. Eye color is represented by the alleles AaBBCc. This is an example of ______.

a. Complete dominant inheritance
b. heterozygote advantage
c. sex-linked inheritance
d. polygenic inheritance

40.Which line represents a reaction WITH an enzyme present?

41. Which of these is part of a Necleotide?

A- a disaccharide
B- a fatty acid
C- an amino acid
D- a nitrogenous base

42. What is wrong with following sentences ? \"As energy cycles through a system, it may be converted several times as one organism eats another.\"

A- energy does not change forms as one organisms eats another
B- energy does not cycle through a system, it flows
C- energy can only be converted once, then it is lost as heat
D- nothing is wrong with the sentence

43, which of the following statements is true about tree leaves?

a All leaf color pigments are present in the spring and summer, but in the fall chlorophyll is absent. b. In the fall the leaves turn yellow because yellow pigment is only made in the fall.
c. All leaf color pigments are present in the spring and summer, but in the fall the yellow, orange, and red pigments mask the chlorophyll
In spring and summer, only chlorophyll is made and in the fall chlorophyll, yellow, red, and orange pigments are made.

44. For the DNA sequence TCGCA, what is the sequence on the complementary DNA strand?

a.AGCGT
b.TGCGA
c.TCGCA
d.AGCGU  

45. Two animals belonging to the same class must also belong to the same

a. family
b. genus
c. order
d. phylum   

46. What makes a good scientific study?

a. The idea/question must be testable
b. The experiment/results must be verifiable by others
c. The experiment must be repeatable
d. all of the above

47. Before leaving the nucleus what has to happen to the\"immature\" mRNA?

a. remove the exons
b. remove the introns
c. remove the sequences that code for the protein
d. both answers b and c are correct

Solution

35)- false

22)- polygenic inheritance

41)- nitrogenous base

42)- B

43)-all leaf colour pigment are present in spring and summer but in fall the yellow , red, orange mask the chlorophyll

44)- TCGCA

45)- genus

46)-all of above ( a,b,c)

47)-remove the introne