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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
mitosis
B
pollination
C
transpiration
D
meiosis
3) The process of _____ produces sperm or egg cells that are haploid.
A
transpiration
B
mitosis
C
fusion
D
meiosis
4) DNA is shaped like
A
a twisted ladder
B
a football
C
a basketball
D
a 1950's UFO
5) Gregor Mendel did his research using _____
A
fruit flies
B
pea plants
C
guinea pigs
D
chimpanzees
6) _______ are different forms of a gene.
A
diploid
B
mitochondria
C
phenotypes
D
alleles
7) A ________ allele can be covered up by a dominant allele.
A
recessive
B
phenotype
C
diploid
D
nucleic acid
8) An organism who has matching alleles for a trait is said to be ______ for that trait.
A
haploid
B
homozygous
C
metatarsal
D
heterozygous
9) A dominant allele for a gene is represented by ______
A
a gold star
B
a capital letter
C
a lower case letter
D
by a hashtag
10) Which of these is NOT one of Mendel's laws?
A
independent assortment
B
viabilty
C
segregation
D
dominance
11) A _______ is a chart that shows the possible genotypes of offspring.
A
Punnett square
B
right triangle
C
Rubic's Cube
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
what traits an organism has
B
how many organism there are
C
what genes an organism has
14) After 1 complete mitotic division, how many cells are there?
A
3
B
1
C
4
D
2
15) How many sperm cells are created by 1 complete meiotic division?
A
3
B
1
C
4
D
2
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 gene for color blindness is dominant and cannot be covered.
B
The immune system of males destroy the gene before the babies are born.
C
Males never get color blindness.
D
Males only have 1 X chromsome and carriers have to have 2.
18) Which cell division leads to genetic variation?
A
mitosis
B
meiosis
C
budding
D
fission
19) Which of the following is a nucleic acid found on the DNA rungs?
A
chlorophyll
B
carotene
C
adenine
D
ATP
20) The sides of the DNA ladder are made of alternating phosphates and _______
A
proteins
B
sugars
C
lipids
D
nucleic acids
*select an answer for all questions
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