Species A has 2n = 16 chromosomes and species B has 2n = 14. How many chromosomes would be found in an allotriploid of these two species?

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#Question id: 4797

#Unit 8. Inheritance Biology

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring? 

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#Question id: 4725

#Unit 8. Inheritance Biology

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

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#Question id: 4781

#Unit 8. Inheritance Biology

Two non allelic gene P and Q governed  Glume color in sorghum.

P= blakish purple          

Q = raddish purple (dependent over P gene )

If heterozygous Raddish purple were cross with homozygous brown color .What are phenotypic ratio of  progeny?

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#Question id: 15664

#Unit 8. Inheritance Biology

Which of the following statements regarding epigenetic inheritance is FALSE?

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#Question id: 15663

#Unit 8. Inheritance Biology

A mouse heterozygous at the Igf-2 locus is dwarf and has 50% dwarf progeny when mated to a homozygous Igf-2m animal. Which statement about this animal is FALSE?

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#Question id: 15662

#Unit 8. Inheritance Biology

You develop an inbred strain of mice that display one of two distinct syndromes. What evidence might lead you to believe that these mice are mutant for a gene or genes affected by imprinting?