WHAT IS LIFE W/ACHIEVE ACCESS >B<
5th Edition
ISBN: 9781319488086
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 9, Problem 10MC
Summary Introduction
Introduction:
Many genes occur on the same chromosome.
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The difference between dominant and recessive traits is …
Group of answer choices:
A.genes for dominant traits are passed on preferentially.
B.effects of recessive traits can be hidden by effects of dominant traits.
C.recessive traits are deleterious (bad for the organism) and dominant traits are not.
D.dominant genes produce proteins, recessive genes do not.
E.dominant traits are more likely to be expressed in males.
Which of the following is NOT true of Y-linked traits?
Select one:
a. They are always expressed.
b. They are extremely uncommon in females.
c. They are passed from father to son.
d. They carry both dominant and recessive alleles of a trait.
In the context of genetic influence on individual differences, the degree of genetic influence typically
a.
increases from infancy through childhood, and then decreases from childhood through adulthood.
b.
decreases from infancy through adulthood.
c.
remains stable from infancy through adulthood.
d.
increases from infancy through adulthood.
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WHAT IS LIFE W/ACHIEVE ACCESS >B<
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- Human hair color ranges from black to many shades of brown to blonde. What can you correctly conclude from this information? A Human hair color is controlled by a single gene. B Human hair color is controlled by environmental factors rather than genes. C Human hair color is controlled by more than one gene. D Black hair is dominant to blonde hair. Answer is C? Can you help me to explain to me step by step?arrow_forwardA gene for a particular trait that is expressed when two copies (homozygous) or just one copy of the same allele are present (heterozygous), is called a(n): A. Dominant trait. B. Codominant trait. C. Incompletely dominant trait. D. Recessive trait. E. Multiple allele.arrow_forwardHumans can have three different blood types: A, referring to showing the A antigen on the surface of the red blood cells, B, referring to showing the B antigen on the surface of the red blood cells, and O, have no antigens on the surface of the red blood cells. The situation in which we have three different alleles for the same gene (protein antigen expressed on blood cell) is an example of: Select one: a. sex-linked traits b. multiple alleles c. incomplete dominance d. pleiotrophyarrow_forward
- Which of the following is false? a. The color of a fruit fly's eyes is a trait. b. The instructions for producing a trait are found in a gene that controls the physical expression of that trait. c. A gene can have different alleles that can specify different traits, such as red or brown eye color. d. The trait is influenced by the gene, independent of the environment. e. By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.arrow_forwardWhich of the following is the definition of the term named Homozygous? a.Refers to genes that have identical alleles b.Genetic constitution of an organism c.Alternative form of a gene d.Trait expressed in the F1 generation e.Fundamental physical and functional unit of heredity f.Physical expression of traits of an organismarrow_forwardWhen a disease is due to polygenic inheritance, the following is probably true: A. Many factors, both genetic and environmental, contribute to the disease traits. B. It is caused by one gene with a large number of alleles. C. It affects a large number of people. D. It has many different symptomsarrow_forward
- Which of the following statements correctly describes a Y-linked trait? A. It will always be expressed if present in female individuals B. It can be inherited by a daughter for her father C. It can be inherited by a son from his mother D. It will always be expressed if present in male individualsarrow_forwardWhich of the following is the definition of the term named Allele? a.Refers to genes that have identical alleles b.Genetic constitution of an organism c.Alternative form of a gene d.Trait expressed in the F1 generation e.Fundamental physical and functional unit of heredity f.Physical expression of traits of an organismarrow_forwardWhich of the following is the definition of the term named Genotype? a.Refers to genes that have identical alleles b.Genetic constitution of an organism c.Alternative form of a gene d.Trait expressed in the F1 generation e.Fundamental physical and functional unit of heredity f.Physical expression of traits of an organismarrow_forward
- The chart below is showing 4 generations of a family that is affected by a hereditary disease. a. Is the disorder being tracked dominant or recessive? How do you know? b. There is only one possible genotype for person C. True or False? c. What are the possible genotypes for person A? d. What are the possible genotypes for person B?, e. If two people with the same genotypes as person C's spouse and person A's spouse had a child, what is the probability that the child will be affected by this genetic disorder? (draw a Punnett square using the correct genotypes to help you). % chance offspring will be affected % chance offspring will not be affectedarrow_forwardWhich of the following is the definition of the term named Genes? a.Refers to genes that have identical alleles b.Genetic constitution of an organism c.Alternative form of a gene d.Trait expressed in the F1 generation e.Fundamental physical and functional unit of heredity f.Physical expression of traits of an organismarrow_forwardIn humans, a dimple in the chin is a dominant characteristic controlled by a single gene.a. A man who does not have a chin dimple haschildren with a woman with a chin dimple whose mother lacked the dimple. What proportion of theirchildren would be expected to have a chin dimple?b. A man with a chin dimple and a woman who lacksthe dimple produce a child who lacks a dimple.What is the man’s genotype?c. A man with a chin dimple and a nondimpledwoman produce eight children, all having the chindimple. Can you be certain of the man’s genotype?Why or why not? What genotype is more likely,and why?arrow_forward
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