Genetics Practice 1 Question Preview (ID: 49485)
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TT is.....
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d)
Tt is....
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d)
tt
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d)
How are sex cells different from all of the other cells in the body?
a) Sex cells have more chromosomes.
b) Sex cells have half as many chromosomes.
c) Sex cells have no chromosomes.
d) Sex cells are larger.
The sex chromosome pair in a human female is represented by which two letters?
a) XX
b) XY
c)
d)
B = blue and b = purple The offspring genotpes are (BB), (Bb) and (bb). What is the genotype for blue flowers?
a) Only BB
b) Only bb
c) Both BB and Bb
d) Neither BB nor Bb
A grey flower is crossed with a white flower. A heterozygous grey offspring is produced. The offspring is grey because...
a) Grey is the darker color.
b) Grey is the dominant color.
c) Grey is the recessive color.
d) Grey is the mixture between black and white.
Which is an example of a heterozygous genotype?
a) hh
b) Hh
c) HH
d)
Through what process does a cell reproduce two daughter cells that are exact copies of the original cell?
a) Dominant replication
b) Recessive supplication
c) Sexual reproduction
d) Asexual reproduction
What is the complimentary/matching strand to the following DNA sequence: TAGTC
a) ATGAG
b) GACAG
c) GTAGA
d) ATCAG
How many daughter cells and chromosomes are produced through meiosis?
a) 2 daughter cells, twice the number of chromosomes
b) 2 daughter cells, same number of chromosomes
c) 4 daughter cells, twice the number of chromosomes
d) 4 daughter cells, half the number of chromosomes
A plant with round seeds is crossed with another plant with round seeds. If round seeds are dominant, how can an offspring have wrinkled seeds?
a) Both parents are heterozygous (Rr) and (Rr)
b) Both parents are homozygous wrinkled (rr) and (rr)
c) Both parents are homozygous round (RR) and (RR)
d) One parent is homozygous round (RR) and heterozygous (Rr)
The passing of material from parents to offspring is called....
a) ecology
b) zoology
c) heredity
d) psychology
Who is considered the Father of Modern Genetics?
a) Francis Crick
b) Gregor Mendel
c) James WAtson
d) George Beadle
A feature that has different forms in a population, example eye color
a) trait
b) characteristic
c)
d)
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