WorksheetsLE Bio Genetics & Inheritance
Total questions: 40
Worksheet time: 52mins
Name
Class
Date
1.
Which process and type of resulting cells are represented?
a)
mitosis, haploid gametes
b)
mitosis, body cells
c)
meiosis, haploid gametes
d)
meiosis, body cells
2.
The process of crossing over, which increases variation, occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
3.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
4.
What is a reason we need meiosis?
a)
So the offspring has the correct number of chromosomes from both parents
b)
So the offspring has genes from one parent
c)
So the offspring has genes from neither parents
d)
So the offspring makes its own genes
5.
In what process is mRNA synthesized?
a)
Transcription
b)
Translation
c)
DNA Replication
d)
Mitosis
6.
Where does TRANSCRIPTION occur?
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Mitochondria
7.
How many nucleotides equal 1 amino acid?
a)
1
b)
2
c)
3
d)
4
8.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
nucleic acids
c)
lipids
d)
proteins
9.
The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
10.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
11.
The central dogma of biology states that information flows in one direction from
a)
nuclei to RNA to cytoplasm
b)
ribosomes to proteins to DNA
c)
genes to nuclei to ribosomes
d)
DNA to RNA to proteins
12.
In RNA, Uracil pairs with ______.
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
13.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
14.
What are the backbones (sides) of the DNA structure made up of?
a)
repeating phosphates and sugars
b)
nitrogen bases
c)
nucleotides
d)
adenine and thymine
15.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
16.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
17.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
18.
In comparison to a DNA strand, a
a)
mRNA strand is shorter and single stranded
b)
mRNA strand is longer and single stranded
c)
mRNA strand is shorter and double stranded
d)
mRNA strand is longer and double stranded
19.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
20.
Which of the following is the sugar found in RNA?
a)
Ribose
b)
Maltose
c)
Deoxyribose
d)
Amylose
21.
Which is the organelle that makes proteins?
a)
Nucleus
b)
Ribosomes
c)
Rough ER
d)
Golgi Apparatus
22.
Brings the amino acids to the ribosome
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
23.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)
Tall = T
Short = S
Short = S
b)
Tall = T
Short = t
Short = t
c)
Tall = t
Short = T
Short = T
d)
Tall = TT
Short = tt
Short = tt
24.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
25.
Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?
a)
Red
b)
Blue
c)
Purple
d)
50% Red, 50% Blue
26.
A brown-furred ewok has 12 babies with a black-furred ewok. 9 ewok babies have black fur, while 3 ewok babies have brown fur. What are the probable genotypes of the parents?
a)
BB and bb
b)
BB and Bb
c)
Bb and Bb
d)
Bb and bb
27.
A Jawa notices that his beloved pet desert rat, who has brown fur, just had several rat babies, some of which had white fur and some which had brown fur. Brown fur is the dominant trait. This means his rat must have what genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
28.
Identify the homozygous dominant genotype:
a)
FF
b)
Ff
c)
ff
29.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
30.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
31.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
32.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
33.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
34.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
35.
In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R X r ?
a)
male with white eyes
b)
female with red eyes
c)
male with red eyes
d)
female with white eyes
36.
Look at this cross: XBXb x XBY
What proportion of the male children are colorblind? B=no color blindness, b=color blind.
a)
100%
b)
75%
c)
50%
d)
25%
37.
The sex of a child is determined by
a)
whether the father's sperm contains an x or y chromosome
b)
whether the mother's egg contains an x or y chromosome
c)
the age of the parents
38.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
39.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
40.
The visual representation of an individual's chromosomes is a
a)
phenotype
b)
genotype
c)
karyotype
d)
stereotype
100 %
