Chapter 6, Section 1 B Question Preview (ID: 2855)


Gene And Gene Technology: What Do Genes Look Like? TEACHERS: click here for quick copy question ID numbers.

Genes are composed of subunits known as ___.
a) ribosomes
b) nucleotides
c) mutations
d) sugars

Chargaff's rules state that the amount of ___ in DNA is always equal to the amount of guanine.
a) cytosine
b) none of the answers
c) thymine
d) adenine

Chargaff's rules are represented as ___.
a) A = T and G = C
b) T = C and G = A
c) A = C and T = G
d) A = G and T = C

In a DNA strand, the sides of the ladder are made of ___.
a) sugar molecules
b) phosphate molecules
c) nucleotide bases
d) alternating sugar and phosphate molecules

In a DNA strand, the rungs of the ladder are made of ___.
a) sugar molecules
b) phosphate molecules
c) nucleotide bases
d) alternating sugar and phosphate molecules

If a human being has about 30,000 genes and there are about 30,000 bases in each human gene, about how many bases are in all the genes?
a) 9,000
b) 90,000
c) 900,000
d) 900,000,000

What would the complementary strand of DNA be for the sequence bases ACCTAGTTG?
a) CAAGCTGGT
b) TGGATCAAC
c) GTTCGACCA
d) ACCTAGTTG

The white tiger having blue eyes is an example of ___.
a) incomplete dominance
b) one gene influencing many traits
c) many genes can influence one trait
d) environmental influences on your genes

A red snapdragon flower cossing with a white snapdragon flower and producing a pink snapdragon flower is an example of ___.
a) incomplete dominance
b) one gene influencing many traits
c) many genes can influence one trait
d) environmental influences on your genes

The color of your eyes is an example of ___.
a) complete dominance
b) one gene influencing many traits
c) how many genes can influence one trait
d) how environment influences your genes

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