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Heredity, Genetics And DNA
Test Description: Test will cover information about Heredity, Genetics and DNA.
Instructions: Answer all questions to get your test result.
1) Why would the offspring resulting from fertilization have more differences than the offspring resulting from budding?
A
Each parent provides half of its genes to its offspring during budding, unlike during fertilization.
B
Each parent provides half of its genes to its offspring during fertilization, unlike during budding
C
Two parents provide all of their genes to their offspring during fertilization, unlike during budding.
D
Two parents provide all of their genes to their offspring during budding, unlike during fertilization.
2) Freckles (F) are dominant to not having freckles (f). The diagram shows the cross of a homozygous dominant parent (FF) with a parent of an unknown genotype for freckles. F F ? Ff Ff ? Ff Ff What is the unknown genotype and phenotype for the parent?
A
homozygous recessive without freckles
B
homozygous dominant with freckles
C
heterozygous without freckles
D
heterozygous with freckles
3) Two black guinea pigs were crossed and they produced a litter of 4 black and 3 white guinea pigs. Which best explains this occurrence?
A
Both parents were homozygous for black fur.
B
White fur was the result of a mutation.
C
White fur is dominant to black fur.
D
Both parents were heterozygous for black fur.
4) A scientist noticed that all of the offspring of the yeast fungus are identical to the parent. However, the offspring of a cat all look different. What most likely caused this to occur?
A
Yeast produced offspring through asexual reproduction, while the cat produced offspring through sexual reproduction.
B
Both yeast and the cat produced offspring through sexual reproduction.
C
Both yeast and the cat produced offspring through asexual reproduction.
D
Yeast produced offspring through sexual reproduction, while the cat produced offspring through asexual reproduction.
5) How does mitosis compare to meiosis?
A
Mitosis only occurs in single-celled organisms, while meiosis only occurs in animals.
B
Mitosis produces two identical daughter cells, while meiosis produces sex cells with half the genetic information.
C
Mitosis only occurs in animals, while meiosis only occurs in single-celled organisms.
D
Mitosis produces sex cells with half the genetic information, while meiosis produces two identical daughter cells.
6) Sarah’s family has a long history of people who developed diabetes. Which lifestyle change should she make to try to prevent becoming diabetic?
A
watch television and drink water
B
exercise frequently and watch her diet
C
drink sodas daily and eat fried foods
D
play video games and sit on the couch
7) What does DNA stand for?
A
dextrosenuclic acid
B
deoxirobsugar
C
deoxyacid
D
deoxyribonucleic acid
8) In animals, which structure passes the mother's DNA to offspring?
A
seeds
B
pollen
C
eggs
D
sperm
9) How many chromosomes are passed from each parent to their offspring
A
26
B
18
C
15
D
43
10) Which BEST describes sexual reproduction in all animals?
A
pollen and seed join together
B
offsprings are identical to one parent
C
offsprings have traits of only one parent.
D
egg and sperm join together
*select an answer for all questions
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