Heredity Test Review-2018 Question Preview (ID: 45041)
Test Review For Heredity And Genetics Test.
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Most cats have 5 toes on each foot, but every once in a while a kitten will be born with 6 toes on each foot. Other kittens in the same litter have only 5 toes on each foot. Differences in which of these is most likely to cause 6 toes in cats?
a) food
b) water
c) nesting sight
d) genetic material
Which of these describes a mutation?
a) a change in genetic material by radiation or chemicals
b) the passing of genetic traits
c) the development of an organism throughout its life
d) chromosomes copied correctly
A punnett square shows the different ways that ____________ can combine.
a) eggs
b) colors
c) mitosis cells
d) alleles
When a human sperm and an egg combine they create a cell that has a total of ______ pairs of chromosomes in it
a) 46
b) 23
c) 28
d) 45
Which shows an example of a homozygous dominant genotype?
a) Brown
b) Bb
c) bb
d) BB
Which of the following is an inherited trait?
a) ability to play the saxophone
b) love of classical music
c) natural hair color
d) favorite food
Each box in a punnett square equals the probability of how much?
a) 0%
b) 25%
c) 50%
d) 100%
During asexual reproduction in a paramecia, a single paramecium becomes two new paramecia. The genetic material of the new paramecia is usually --
a) half the amount of the original
b) double the amount of the original
c) identical to the original
d) nothing like the original
Which parent determines the sex of a baby.
a) mother
b) father
c) they take turns
d)
What are the chances of having a boy for any set of parents?
a) 100%
b) 25%
c) 50%
d) 0%
The passing of traits from generation to generation is known as ____________.
a) genetics
b) mutations
c) heredity
d) chromosomes
Which combination of terms best describes sexual reproduction?
a) One parent; genetically diverse offspring
b) One parent; genetically identical offspring
c) Multiple parents; genetically diverse offspring
d) Multiple parents; genetically identical offspring
I'm modeling sexual reproduction. I put red and black beads to represent the alleles of each parent in separate bags. What procedure best describes what I should do next?
a) Look in the first bad and withdraw a black bead. Then, look in the second back and withdraw a black bead.
b) Without looking, they withdraw a bead from the first bag. Then, look in the second bag and withdraw the same color.
c) Without looking, withdraw a bead from the first bag. Then, without looking, withdraw a bead from the second bag.
d) Without looking in either bag, withdraw a bead from the first bag and drop it in the second. Then, withdraw two beads.
Which of these occurs in sexual reproduction but not asexual reproduction?
a) genes carry genetic information
b) an offspring is made of cells
c) cells from two different organisms combine
d) an offspring inherits a set of traits
These letters represent the nitrogen bases on one strand of DNA: GGCTATCCA. What letters would form the other strand of the helix? Remember which base pairs go together... (Apple to .....)
a) CCGATAGGT
b) ACCTATCGG
c) TGGATAGCC
d) TTAGCGAAC
List the following terms from the smallest level of organization to the largest level of organization: chromosome, DNA, gene, nitrogen base, nucleus.
a) Chromosome, DNA, gene, nitrogen base, nucleus
b) Nitrogen base, DNA, gene, chromosome, nucleus
c) Nucleus, DNA, nitrogen base, gene, chromosome
d) DNA, nitrogen base, gene, chromosome, nucleus
Your genetic information is given to you from your family. Where can you can find that information in your body?
a) on your chromosomes
b) inside your nucleus
c) in your genes
d) all of the above
For fur color brown “B” is dominant over white fur “b”. You have two white rabbits and you decide to breed them. What percentage of the offspring can you expect to be white.
a) 75%
b) 0%
c) 50%
d) 100%
In a Punnett square, a capital letter stands for a ____ allele.
a) recessive
b) co-dominant
c) dominant
d) random
The chromosomes in the nucleus of a cell contain a code known as ____.
a) RNA
b) mitosis
c) meiosis
d) DNA
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