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Genetics 2
Test Description: Chapter 10 & 11 Genetics Second Half
Instructions: Answer all questions to get your test result.
1) If a diplod cell with 78 chromosomes undergoes Meiosis, the resulting haploid cell will contain
A
39 chromosomes
B
46 chromosomes
C
23 pairs of chromosomes
D
78 chromosomes
2) What is an alternate form of a gene?
A
alleles
B
phenotypes
C
centromeres
D
gametes
3) Due to independent assortment, the possible allelic combinations of the dihybrid cross of TtGg are
A
TT, tt, GG, gg
B
Tt, Gg only
C
T, t, G, g
D
TG, Tg, tG, tg
4) What type of inheritance is exhibited when a red flower plant and a white flower plant produce a pink plant
A
codominance
B
incomplete dominance
C
polygenic inheritance
D
inbreeding
5) A trait that is controlled by four alleles exhibits
A
homologous alleles
B
autosomes
C
multiple alleles
D
hybridization
6) Normal humans have 22 pairs of autosomes and 1 pair of
A
genes
B
polygenes
C
sex chromosomes
D
alleles
7) An animal that exhibits fur of two different colors exhibits
A
multiple alleles
B
codominance
C
polygenic inheritance
D
incomplete dominance
8) Which is an example of polygenic inheritance
A
eye color, skin color, and height
B
eye color
C
skin color
D
height
9) Blood types are a result of what type of inheritance?
A
sex-linked
B
simple dominant
C
multiple allelic
D
polygenic
10) Most human genetic disorders are caused by
A
sex-linked inheritance
B
one dominant allele
C
recessive alleles
D
two dominant alleles
*select an answer for all questions
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