Heredity, Genetics And DNA Question Preview (ID: 41156)


Test Will Cover Information About Heredity, Genetics And DNA. TEACHERS: click here for quick copy question ID numbers.

What does DNA stand for?
a) deoxyacid
b) deoxyribonucleic acid
c) dextrosenuclic acid
d) deoxirobsugar

In animals, which structure passes the mother's DNA to offspring?
a) sperm
b) seeds
c) pollen
d) eggs

How does mitosis compare to meiosis?
a) Mitosis produces two identical daughter cells, while meiosis produces sex cells with half the genetic information.
b) Mitosis produces sex cells with half the genetic information, while meiosis produces two identical daughter cells.
c) Mitosis only occurs in single-celled organisms, while meiosis only occurs in animals.
d) Mitosis only occurs in animals, while meiosis only occurs in single-celled organisms.

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) play video games and sit on the couch
d) drink sodas daily and eat fried foods

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) Yeast produced offspring through sexual reproduction, while the cat produced offspring through asexual reproduction.
c) Both yeast and the cat produced offspring through asexual reproduction.
d) Both yeast and the cat produced offspring through sexual reproduction.

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 dominant with freckles
b) homozygous recessive without freckles
c) heterozygous with freckles
d) heterozygous without freckles

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) White fur is dominant to black fur.
b) White fur was the result of a mutation.
c) Both parents were heterozygous for black fur.
d) Both parents were homozygous for black fur.

Why would the offspring resulting from fertilization have more differences than the offspring resulting from budding?
a) Two parents provide all of their genes to their offspring during budding, unlike during fertilization.
b) Each parent provides half of its genes to its offspring during budding, unlike during fertilization.
c) Two parents provide all of their genes to their offspring during fertilization, unlike during budding.
d) Each parent provides half of its genes to its offspring during fertilization, unlike during budding

How many chromosomes are passed from each parent to their offspring
a) 15
b) 26
c) 43
d) 18

Which BEST describes sexual reproduction in all animals?
a) egg and sperm join together
b) pollen and seed join together
c) offsprings have traits of only one parent.
d) offsprings are identical to one parent

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