Term
Mendel found that in peas the white flowers allele is recessive to the purple flower allele. What is the genotype of a pea plant with white flower?
a- Homozygous dominate
b- heterozygous
c- homozygous recessive
d. Pp |
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Definition
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Term
According to Mendel's Law of Segregation, how many copies of each gene are in a gamete?
a- 1
b- 2
c- 23
d- 46 |
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Definition
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Term
(Blank) are different versions of the same gene.
a- chromosomes
b- centromeres
c- homozygous
d- alleles |
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Definition
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Term
The cross between a heterozygouse purple flowering plant (Pp) with another hetrozygouse purple flower (Pp) will produce what?
a- 25% purple flowering plants
b- 50% purple flowering plants
c- 75% purple flowering plants
d- 100% purple flowering plants |
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Definition
| c- 75% purple flowering plants |
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Term
In moths dark wings are dominant (D) and light wings are recessive (d). A dark winged moth is crossed with a homozygous light winged moth (dd) Of the offspring, 23 are dark winged and 30 are light winged. The genotype of the original moth is?
a. DD
b. Dd
c. dd
d. Purple |
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Definition
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Term
A Child has a blood type O. Her father has a blood type B and her mother has a blood type A. What is the father genotype for blood type?
a. oo
b. AB
c. BB
d. Bo |
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Definition
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Term
The condition that results from 1 gene affecting more than 1 trait is?
a. incomplete dominance
b. co-dominance
c. epistasis
d. pleiotropy |
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Definition
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Term
A person who is hetrozygouse for a disease and has the disease. The disease is caused by?
a. Multiple genes
b. a recessive allele
c. a dominant allele
d. too many chromosomes |
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Definition
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Term
Why are men more likely to show recessive, sex-linked traits like hemophilia?
a. they only have one allele for the trait
b. they have 2 alleles for the trait
c. they are geneticlly weaker then women
d. the recessive trait is dominant in men |
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Definition
| They only have one allele for the trait. |
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Term
The universal donor type blood is?
a. type A
b. type B
c. Type AB
d. type O |
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Definition
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Term
Chromosomes 1-22 are known as (Blank), they are NOT involved in sex determination.
a. somatic chromosomes
b. autosomes
c. heterologues
d. gametes |
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Definition
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Term
A boy inherited a/n (blank) from his mother and a/n (blank) from his father.
a. X chromosome; X chromosome
b. X chromosome; Y chromosome
c. Y chromosome; X chromosome
d. Y chromosome; Y chromosome |
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Definition
| b. X Chromosome; Y Chromosome |
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Term
A man is a carrier for cystic fibrosis. What is his genotype?
a. Homozygous for cystic fibrosis
b. Heterozygous for cystic fibrosis
c. Homozygous for the healthy gene
d. Heterozygous for the healthy gene |
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Definition
| b. Heterozygous for cystic fibrosis. |
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Term
Who discovered the DNA double helix?
a. Watson
b. Franklin
c. Crick
d. All of the above |
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Definition
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Term
The backbone of DNA is made up of?
a. bases
b. amino acids
c. sugurs and phosphates
d. RNA |
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Definition
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Term
What is the base sequence of the strand of DNA complementary to AAGCT?
a. TTCGA
b. UUCGA
c. AACGT
d. AAGCT |
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Definition
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Term
A segment of DNA that contains the instructions for making a protein is a
a. chromosome
b. gene
c. ribosomes
d. mutation
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Definition
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Term
The process of making protein from RNA is called?
a. Replication
b. Transcription
c. Translation
d. Mitosis
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Definition
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Term
Which of the following only occures during the S phase of Interphase?
A) Replication
B) Transcription
C) Translation
D)Mitosis |
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Definition
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Term
Which of the following is not a difference between DNA and RNA?
A) DNA is double stranded; RNA is single stranded
B)They contain different sugers
C) DNA contains T; RNA contains U
D) DNA is read directly by the ribosomes to make proteins; RNA is not |
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Definition
| D) DNA is read directly by the ribosome to make proteins; RNA is not. |
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