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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
All of these answers are correct
D
The generation right before the F1 generation
2) Co-dominance appears to ______________________ alleles whereas incomplete dominance appears to ____________ alleles.
A
blend, express both
B
add, take away
C
eliminate, combine
D
express both, blend
3) What is the difference between an autosome and a sex-chromosome?
A
The autosomes affect the sex of the organism.
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
Autosomes and sex-chromosomes play the same role in genetics.
4) When looking at a human karyotype, how many pairs of chromosomes will you see?
A
23
B
40
C
An even 100
D
12
5) A roan horse is an example of:
A
Recessive dominance
B
Total dominance
C
Codominance
D
Incomplete dominance
6) Male Chromosomes are:
A
XX
B
YY
C
XY
D
XXX
7) In sex-linked traits, Genes are not carried on the:
A
Y chromosome
B
X chromosome
8) With incomplete dominance, when a homozygous red flower is crossed with a homozygous white flower:
A
Both red and white
B
The offspring will all be red
C
The offspring will all be white
D
The offspring will all be pink
9) A speckled hen is considered:
A
Codominant
B
Incomplete dominance
C
A Natural Resource
D
Sex-linked
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
75
B
50
C
25
D
100
*select an answer for all questions
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