QUESTION 9 In a Mendelian monohybrid cross the F1 generation has plants that a.

Question

QUESTION 9 In a Mendelian monohybrid cross the F1 generation has plants that a. are all homozygous dominant. Ob. all have the dominant phenotype. c-are 75% dominant phenotype and 25% recessive phenotype. Od. are all homozygous recessive. e, are 50% homozygous and 50% heterozygous. QUESTION 10 People with the IAB genotype have type AB blood, not type A, not type B and not some type half way between. This feature of blood type is an example of Oa. a incomplete dominance. . codominance. Cpolygenic inheritance d pleiotropy. e.multiple alleles.

Explanation / Answer

9. Answer: Option B is correct.
Explanation:
Parental cross: AA X aa
F1 progeny: Aa
All F1 progeny are heterozygous. So, all of them exhibit dominant phenotype.

10. Answer: Option B is correct.
Explanation:
In a person with IAIB genotype, both the alleles are expressed in the heterozygous condition. This phenomenon is known as codominance.

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