Genetics/Meiosis Quiz
Quiz by Clifford Traylor
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- Q 1/22Score 0
When Gregor Mendel crossed a true-breeding tall TT plant with a true-breeding short tt plant, the F1 plants inherited
29an allele from only the tall parent.
an allele for tallness from the tall parent and an allele for shortness from the short parent.
an allele for tallness from each parent
an allele for shortness from each parent
- Q1
When Gregor Mendel crossed a true-breeding tall TT plant with a true-breeding short tt plant, the F1 plants inherited
an allele from only the tall parent.
an allele for tallness from the tall parent and an allele for shortness from the short parent.
an allele for tallness from each parent
an allele for shortness from each parent
300s - Q2
The Smith family has four sons. What is the chances of having a daughter?
1/8
1/2
1/128
1/12
300s - Q3
A cross of a red cow (RR) with a white bull (WW) produces all roan offspring (RRWW). This type of inheritance is known as
incomplete dominance
multiple alleles
polygenic inheritance
codominance
300s - Q4
Gametes are produced by the process of
crossing over
replication
mitosis
meiosis
300s - Q5
In humans, a male has
one X chromosome only
one X chromosome and one Y chromosome
two X chromosomes
two Y chromosomes
300s - Q6
Genetic traits of seeds are noted as follows: G= long, W = wrinkled, Y = yellow, R = ribbed, g =short, w = smooth, y = white, r = grooved. Which of the following is a possible genotype for a short, wrinkled, yellow, grooved seed?
ggWwyyrr
ggWwYYrr
GgWwYyRR
GGWWyyRr
300s - Q7
Which of the following is true?
For each characteristic an organism inherits two genes, one from each parent
Genes segregate during gamete production in meiosis.
All the answers are correct
The phenotype of an organism depends upon its genotype
300s - Q8
In the P generation, a homozygous tall plant is crossed with a homozygous short plant. The probability that an F1 plant will be tall is
100 %
50%
25%
75%
300s - Q9
The Figure is an example of
crossing-over
anaphase I
chromosome letters
independent assortment
300s - Q10
Meiosis results in the formation of
four genetically identical cells.
four genetically different cells
two genetically identical cells.
a combined sperm and egg
300s - Q11
If an organism’s diploid number is 46, its haploid number is
12
46
92
23
300s - Q12
Two pink-flowering plants are crossed. The offspring flower as follows: 25% red, 25% white, 50% pink. what pattern of in heritance does flower color in these flowers follow?
generations altered
multiple alleles
codominance
incomplete dominance
300s - Q13
When does crossing over occur?
metaphase
during meiosis
prophase of mitosis
telophase of meiosis
300s - Q14
Crossing over allows
the allele to remain the same and avoid change
the alleles to mix and increase diversity
the chromosome to divide and make new body cells
the cell to enter anaphase 2
300s - Q15
What did Griffith observe when he injected a mixture of heat-killed, disease-causing bacteria and live harmless bacteria into mice?
The mice were unaffected
The disease-causing bacteria changed into harmless bacteria
The harmless bacteria died.
The mice developed pneumonia and died
300s
