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Genetics And Heredity
Test Description: Genetics and Heredity review
Instructions: Answer all questions to get your test result.
1) Who is the Father of Genetics?
A
Isaac Newton
B
Rosamund Franklin
C
Gregor Mendel
D
J. Robert Oppenheimer
2) _______ is the process of cell division that allows growth and repair of tissues.
A
transpiration
B
pollination
C
meiosis
D
mitosis
3) The process of _____ produces sperm or egg cells that are haploid.
A
fusion
B
meiosis
C
transpiration
D
mitosis
4) DNA is shaped like
A
a 1950's UFO
B
a twisted ladder
C
a football
D
a basketball
5) Gregor Mendel did his research using _____
A
fruit flies
B
guinea pigs
C
chimpanzees
D
pea plants
6) _______ are different forms of a gene.
A
diploid
B
phenotypes
C
mitochondria
D
alleles
7) A ________ allele can be covered up by a dominant allele.
A
nucleic acid
B
recessive
C
diploid
D
phenotype
8) An organism who has matching alleles for a trait is said to be ______ for that trait.
A
haploid
B
homozygous
C
heterozygous
D
metatarsal
9) A dominant allele for a gene is represented by ______
A
a capital letter
B
a gold star
C
a lower case letter
D
by a hashtag
10) Which of these is NOT one of Mendel's laws?
A
viabilty
B
dominance
C
independent assortment
D
segregation
11) A _______ is a chart that shows the possible genotypes of offspring.
A
Punnett square
B
Rubic's Cube
C
right triangle
D
multiplication table
12) If the parents of a cross are TT x tt, what will be the genotypes of the offspring?
A
all tt
B
1/4 TT, 1/2 Tt, 1/4 tt
C
all TT
D
all Tt
13) Phenotype refers to ____
A
how many organism there are
B
what traits an organism has
C
what genes an organism has
14) After 1 complete mitotic division, how many cells are there?
A
2
B
3
C
4
D
1
15) How many sperm cells are created by 1 complete meiotic division?
A
4
B
2
C
1
D
3
16) In humans, which gender has matching sex chromsomes?
A
female
B
male
17) Why can males not be carriers of the colorblind gene?
A
The immune system of males destroy the gene before the babies are born.
B
Males only have 1 X chromsome and carriers have to have 2.
C
Males never get color blindness.
D
The gene for color blindness is dominant and cannot be covered.
18) Which cell division leads to genetic variation?
A
fission
B
meiosis
C
mitosis
D
budding
19) Which of the following is a nucleic acid found on the DNA rungs?
A
chlorophyll
B
carotene
C
ATP
D
adenine
20) The sides of the DNA ladder are made of alternating phosphates and _______
A
sugars
B
proteins
C
lipids
D
nucleic acids
*select an answer for all questions
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