Course

Genetics

Study Pack

Set 4 Extensions Of Mendelian Genetics

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Question 1

(Multiple Choice)

Free
What would be a typical phenotypic monohybrid ratio in which a lethal allele is involved?

A) 2:1
B) 9:3:3:1
C) 6:2:3:1
D) 13:5
E) 3:1

Answer

Question 2

(Multiple Choice)

Free
What is the blood type of individuals who cannot add the terminal sugar to the H substance?

A) O
B) B
C) A
D) AB
E) Bombay phenotype

Answer

Question 3

(Short Answer)

Free
Assume that a cross is made between two organisms that are both heterozygous for a gene that shows incomplete dominance. What phenotypic and genotypic ratios are expected in the offspring?

Answer