WorksheetsUnit 6 Quizizz
Total questions: 26
Worksheet time: 16mins
Name
Class
Date
1.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
2.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
3.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
4.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
5.
Which letter(s) in the diagram correspond to cells that are haploid?
a)
A
b)
B
c)
C
d)
A and B
6.
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?
a)
The same number
b)
One-fourth as many
c)
Twice as many
d)
Half as many
7.
Chromosomes exchange genetic material during
a)
crossing over
b)
replication
c)
synthesis
d)
translation
8.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
9.
A human being has a somatic cell that has 46 chromosomes. What is the haploid number found in a gamete?
a)
23
b)
46
c)
69
d)
92
10.
What is this?
a)
Trisomy 13
b)
Monosomy 21
c)
47, XXY
d)
Trisomy 21
11.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
12.
A characteristic that an organism can pass on to its offspring through its genes is ___________
a)
Trait
b)
Gene
c)
Allele
d)
Dominant
13.
An allele that is masked when a dominant allele is present. The "weaker" gene.
a)
Dominant Allele
b)
Recessive Allele
14.
An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene.
a)
Dominant Allele
b)
Recessive Allele
15.
An organism’s genetic makeup or allele combination.
a)
Genotype
b)
Phenotype
c)
Beanotype
d)
Notype
16.
An organism’s physical appearance, or visible traits.
a)
Genotype
b)
Phenotype
c)
Beanotype
d)
Notype
17.
What is called when a organism has two different alleles for a trait. Tt or Rr
a)
Heterozygous
b)
Homozygous
c)
Domozygous
d)
Thermozygous
18.
What is called when a organism has two identical alleles for a trait. TT or tt. RR or rr
a)
Heterozygous
b)
Homozygous
c)
Domozygous
d)
Thermozygous
19.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
20.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
According to the Punnett Square, what is the probability of an offspring being white?
a)
25%
b)
0%
c)
100%
d)
50%
21.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
22.
B = brown fur b = white fur
In the punnett square, what is the probability for white fur?
In the punnett square, what is the probability for white fur?
a)
0%
b)
25%
c)
50%
d)
75%
23.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
24.
Which of the following is a phenotype?
a)
Aa
b)
black hair
c)
heterozygous genes
d)
mutated DNA
25.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
26.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
100 %
