Genetics/Genes Question Preview (ID: 50830)
Questions About Genes And Genetics.
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Squidward has light blue skin, and his genotype for this trait is Bb. Which of the following would describe Squidward?
a) Purebred
b) Homozygous
c) Hybrid
d) Recessive
Cells in the iris of the eye have a protein (P protein). More P protein means that the cells will make more color. Joy's mother has blue eyes, Joy and her father has brown eyes. Which statement explains why Joy's eyes are brown?
a) They do not express any of the alleles that she inherited from her father.
b) They express the allele she inherited from her father more than the allele she inherited from her mother.
c) They do not have enough of the DNA she inherited from her mother, they only have DNA that she inherited from her father.
d) They contain only one kind of P protein
The genotype is________?
a) the genetic makeup of an organism.
b) the deletion of a chromosome.
c) the physical appearance of an organism.
d) the passing of traits from parent to offspring.
Luke is sketching a model of human chromosomes. He needs to complete the last pair, which are to represent the X Y chromosomes. Which statement describes something he should do to make sure his model represents these chromosomes accurately?
a) label them to indicate that X is found only in cells of the reproductive system
b) label them so the model states Y is found only in males
c) draw them so that both X and Y are the same size
d) color them to show both X and Y have exactly the same genes
Every normal human should have _____ chromosomes
a) 22
b) 23
c) 46
d) 48
An organism does not directly inherit traits from its parents-- it inherits the ___________ that help determine its traits from its parents.
a) Traits
b) Proteins
c) Genes
d) Chromosomes
DNA is the material that makes up _________ and a gene is a section of a long strand of ________.
a) Traits / Genes
b) Genes/Alleles
c) Genes / DNA
d) Proteins / Traits
A bacteria cell is reproducing through asexual reproduction. Which prediction can you make about the bacteria cells?
a) Both offspring will have DNA that is different from the parent cell's DNA.
b) The DNA in offspring 1 will be different than the DNA in offspring 2
c) The DNA in the offspring cells will be identical to the parent cell’s DNA.
d) Both offspring will have half of the parent cell's DNA
Bob grows red or white flowers-all same species. Seeds from the parent plants grow next spring the offspring flowers are red with white stripes. Which answer identifies the cause of the offspring having flowers that are both red white in color?
a) The plants reproduce asexually, which results in variation in the offspring.
b) The plants reproduce by making copies of a single cell through cell division.
c) The offspring have genes that are identical to the parent plants
d) The offspring have combinations of genes from the parent plants
Caroline is explaining the number of chromosomes in each kind of human cell. What numbers should Caroline write in the next 2 blanks? Egg Cell=23 / Sperm Cell=_____ / Normal Body Cell=_____
a) Sperm cell: 23 / Normal Body cell :23
b) Sperm cell: 23 / Normal Body cell :46
c) Sperm cell: 46 / Normal Body cell :23
d) Sperm cell: 46 / Normal Body cell :69
A new power plant will release clean but warm water into a river Fishermen claim it increases the temperature of the river and warmer water negatively influences the growth of the fish. Which finding would best support their claim?
a) There are more kinds of fish than before the plant was built
b) One fish we caught was shorter than all of the others.
c) All of the kinds of fish caught since the plant was built weigh less than they did before the plant was built
d) The fishermen we talked to claim that they see fewer fish in the river since the plant was built.
Bob has 2 brothers. 1st one smokes, eats unhealthy has heart disease. The other lives a healthy lifestyle with no heart disease. With the genetic environmental factors, what can a doctor tell Bob about the probability he will get heart disease?
a) If he chooses a healthy lifestyle, he will never get heart disease.
b) If he gets tested for heart disease, he does not have to choose a healthy lifestyle.
c) He should choose a healthy lifestyle and get tested for heart disease.
d) He is certain to get heart disease because it runs in his family.
Claim-A rose's traits are strongly influenced by its environment. Experiment-3 roses are put in 3 pots. All get the same amount of water light, but grown at 3 different temps. Which statement has evidence from the experiment that supports the claim
a) Each plant Starts to grow on a different day.
b) Each plant takes in the same amount of water.
c) Each plant produces a yellow flower.
d) Each plant grows taller.
Having two different genes for a trait is called ________ (sometimes called hybrid).
a) genotype
b) homozygous
c) protein
d) heterozygous
An allele is___________?
a) different genes that code for different characteristics.
b) different forms of the same gene.
c) different chromosomes.
d) section of the nucleus that forms chromosomes.
What is having two of the same genes for the trait called? ___________ (sometimes called purebred)
a) hetrozygous
b) chromosome
c) protein
d) homozygous
Which of the following is the best definition for heredity?
a) Heredity is the passing of particles from high concentration to low concentration.
b) Heredity explains how DNA copies itself.
c) Heredity is the passing of traits from parent to offspring.
d) Heredity is the forming of clones.
Which of the following is showing a genotype that would be described as homozygous recessive (purebred)
a) Dd
b) DD
c) dd
d) dD
The physical appearance of an organisms is also referred to as:
a) genotype
b) phenotype
c) chromosome
d) karyotype
Which of the following is true regarding inheriting traits:
a) Dominant traits are less likely to be seen.
b) The recessive trait always is seen over the dominant trait.
c) You must have only one recessive gene in order to express the trait.
d) Dominant traits are more likely to be expressed because you only need one gene.
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