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Complex Patterns Of Inheritance
Test Description: Sex-linked, Codominance, Incomplete dominance, and vocabulary review.
Instructions: Answer all questions to get your test result.
1) What is the P Generation?
A
The first generation to be crossed
B
Also called the parent generation
C
The generation right before the F1 generation
D
All of these answers are correct
2) Co-dominance appears to ______________________ alleles whereas incomplete dominance appears to ____________ alleles.
A
add, take away
B
express both, blend
C
eliminate, combine
D
blend, express both
3) What is the difference between an autosome and a sex-chromosome?
A
Autosomes and sex-chromosomes play the same role in genetics.
B
The sex-chromosomes code for more than the sex of the organism.
C
The autosome codes for all traits but the sex of the organism.
D
The autosomes affect the sex of the organism.
4) When looking at a human karyotype, how many pairs of chromosomes will you see?
A
23
B
12
C
40
D
An even 100
5) A roan horse is an example of:
A
Recessive dominance
B
Incomplete dominance
C
Codominance
D
Total dominance
6) Male Chromosomes are:
A
YY
B
XY
C
XXX
D
XX
7) In sex-linked traits, Genes are not carried on the:
A
X chromosome
B
Y chromosome
8) With incomplete dominance, when a homozygous red flower is crossed with a homozygous white flower:
A
The offspring will all be pink
B
The offspring will all be white
C
Both red and white
D
The offspring will all be red
9) A speckled hen is considered:
A
A Natural Resource
B
Sex-linked
C
Codominant
D
Incomplete dominance
10) A Black Bull (BB) crossed with a white cow (WW) yields 4 black and white cows (BW) in the F1 generation. If you cross two of the individuals from the F1 generation, the F2 generation will yield ______ % white cows.
A
50
B
25
C
100
D
75
*select an answer for all questions
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