6. The base thymine (T) is always paired with____
a. adenine
b. cytosine
c. guanine
d. thymine
7. It is a double helix-stranded protein molecule to form and control the physical make up of an organism.
a. DNA
b. Nitrogen Base
c. Phosphate
d. Sugar
8. What part of the nucleotide represents the rung in a ladder?
a. Helix
b. Nitrogen Base
c. Phosphate
d. Sugar
9. Hemophilia is a disorder caused by a gene found only in X-chromosome. What pattern of inheritance does hemophilia
fall?
a. Codominance
b. Sex-Influenced
c. Sex-Limited
d. Sex-Linked
10. A genotype with a symbol Bo is said to be____
a dominant
b. heterozygous
c. homozygous
d. recessive
11. Baldness is an example of a/an ______.
a. Sex-Linked
b. Sex-Limited
c. Sex-Influenced
d. Multiple Alleles
12. What information can be obtained from a Punnett Square?
a. Genotypic and phenotypic ratio of offspring
c. Sex of offspring
b. Chromosomes of offspring
d. All of the above
13. When both parental phenotypes are expressed in an offspring, the inheritance most likely involved is _____.
a Codominance
b. Incomplete Dominance
c. Multiple Alleles
d. Sex-influenced
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Answer:
6. a
7.a
8.a
9.d
10.c
11.a
12.a
13.c