Medical Quiz

Meiosis and intro to Genetics Quiz


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Which of the following alleles is homozygous (purebred) recessive?
A. Tt
B. tt
C. TT
D. t


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


What allele combination should go in the missing box?
A. AA
B. Aa
C. aa
D. none of these


Dominant alleles are-
A. capital
B. lowercase
C. both
D. neither


If a trait shows up more commonly in men than women it is probably
A. not inherited
B. on the x chromosome and dominant
C. on the x chromosome and recessive
D. on a normal body chromosome


Why were pea plants perfect a study on Heredity?

A. Pea plants were easy to care for and produced many offspring

B. The Traits were distinct and easy to identify

C. One gene controlled one trait. (i.e. it was simple)

D. All of These


How many daughter cells are produced at the end of meiosis?
A. 1
B. 2
C. 3
D. 4


Females have ____ and males have _____ chromosomes.
A. XX, XY
B. XY, XX
C. XX, XX
D. XY, XY


What is Mendel’s Law of Independent Assortment?

A. If the recessive allele is passed for one trait, then it is more likely that the recessive allele will be passed for the other trait.

B. The passing of allele of one trait does not affect the passing of allele of another trait.

C. If the dominant allele is passed for one trait, then it is more likely that the dominant allele will be passed for the other trait.

D. If the dominant allele is passed for one trait, then it is more likely that the recessive allele will be passed for the other trait.


This phenotype is more likely to be prominent in offspring
A. Genotype
B. Dominant genotyp
C. Recessive Phenotype
D. monotypes


What is it called when a sperm and egg meet?
A. meiosis
B. fertilization
C. cell division
D. mitosis


which choice best represents the genotype of this cross?
A. 1 Yy: 2 yy: 0 YY
B. 2 Yy: 2 yy: 0 YY
C. 3 Yy: 1 yy: 0 YY
D. 1 Yy: 3 yy: 0 YY


Colorblindness is a sex-linked recessive disorder. If the daughter of a couple is colorblind, what are the two possible genotypes of her mother?

a. XAXA and XAXa
b. XAXAand XaXa
c. XAXaand XaXa
d. Cannot be determined

What did Gregor Mendel study?

A. Mold Spores

B. Pea Plants

C. Sun Flowers

D. Rats


Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
A. 0%
B. 25%
C. 50%
D. 75%


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


Who is Gregor Mendel

A. an Austrian Monk from the mid 1800s who contributed to the study of Genetics

B. The scientist who discovered the structure of DNA

C. a British scientist who discovered penicillin

D. The scientist who used X-Ray Crystallography to shed light on the structure of DNA


Crossing over helps promote 
A. male genotype
B. genetic variation
C. DNA replication
D. mitosis


What was Mendel’s first conclusion?

A. Pea plants were inheriting a pair of genetic instructions from both parents.

B. Pea plants were inheriting genetic instructions from their grandparents.

C. Pea plants were inheriting genetic instructions only from their maternal parent.

D. Pea plants were inheriting genetic instructions only from their paternal parent


A ________________________ is used to predict the possible genotype from certain parents
A. Mendel Grid
B. Genetic Tic Tac Toe
C. Punnett Square
D. Pedigree Plot


What specifically about Pea Plants did Mendel Study?

A. Color of Pea Flower

B. Colors of individual Peas

C. Texture of Peas

D. All of these


Heterozygous is when…
A. the alleles are the same
B. the alleles are different
C. the alleles are absent
D. the alleles are present


Hemophilia is a recessive x-linked disorder.
Which genotype represents afemale who is a carrier for hemophilia?

a. XHXh
b. XhXh
c. XHXH
d. XhY

Diploid Cells are represented by
A. 2n
B. n
C. 4n
D. 1/2 n


The chromosomes that pair up during meiosis, are called __________ chromosomes.  
A. homozygous 
B. asexual
C. homologous
D. genes




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