Objective questions

Objective questions - heredity

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Reference no: EM1397759

Question 1
Select one answer.
The sister chromatids separate during which stage of meiosis?
A. Anaphase I
B. Anaphase II
C. Prophase I
D. Prophase II
Question 2
Select one answer.
Linked genes: _______________________________.
A. have related phenotypes
B. are alleles of each other
C. sort independently of each other
D. are found on the same chromosome
Question 3
Select one answer.
Two heterozygous individuals have mated. How many different genotypes can be present in the offspring?
A. 1
B. 2
C. 3
D. 4
Question 4
Select one answer.
List all possible gametes that can be produced from a cell that has the following genotype: AaBBDd.
A. ABD, ABd, aBD, aBd
B. A, a, B, D, d
C. ABD, ABd, AbD, Abd, aBD, aBd, abD, abd
D. ABD, abd
Question 5
Select one answer.
In peas, purple is dominant over white for flower color. Suppose a purple flower is crossed with a white flower. Some of the offspring are purple, and others are white. What is the genotype of the original purple flower?
A. PP
B. Pp
C. pp
D. either PP or Pp
Question 6
Select one answer.
Which of these discusses genotypes rather than phenotypes.

A. The offspring of these flowers can be either red or white.
B. The male mouse is homozygous dominant.
C. Lactose intolerance can be due to a missing protein (the enzyme that digests lactose).
D. All of these discuss genotypes
Question 7
Select one answer.
The next two questions are based on the following information.
Part 1 of 2: In beans yellow (Y) is dominant to green (y) and smooth (S) is dominant to wrinkled (s). What are the possible genotypes for the offspring of the following cross: YySS and YYSs.
A. YS, yS, YS, yS
B. Yy, SS, YY, Ss
C. YYSS, YySS, YYSs, YySs
D. YYSS, YYss, yySS, yyss
Question 8
Select one answer.
Part 2 of 2: In beans with yellow (Y) dominant to green (y) and smooth (S) dominant to wrinkled (s): What are the phenotypes for the offspring in the example in the previous question?
A. 50% yellow smooth and 50% yellow wrinkled
B. 100% green wrinkled
C. 100% yellow smooth
D. 50% yellow smooth and 50% green smooth
Question 9
Select one answer.
Genotypes provide information about
A. Proteins
B. DNA
C. Lipids
D. Carbohydrates

Reference no: EM1397759

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