handed shell (d), called sinistral. A pet snail called Moses is 31) Moses\'s gen
ID: 265909 • Letter: H
Question
handed shell (d), called sinistral. A pet snail called Moses is 31) Moses's genotype must be dd A) True B) False 32) Referring to above, Moses's genotype cannot be DD A) True B) False 33) Referring to above, All the offispring produced by Moses must be A) True B) False 34) Referring to above, Moses's mother must have been sinistral A) True B) False 35) This inheritance pattern occurs when traits occur only in one of the two sexes A) sex-linked trait D) Y-linked trait B) sex-limited trait C) sex influenced trait E) lethal recessive trait 36) If 80% of heterozygotes carrying a dominant mutant allele exhibit the trait for the allele, the trait is penetrant A) 2090 B) 30% C)40% D) 80% E)100% is the degree to which a trait is expressed. For example; a dominant mutant allele causes some people to have more than five fingers and toes. A) Penetrance D) codominance B) Expressivity C) lethal alleles E) incomplete dominance 38) This inheritance pattern involves the inheritance of genes that are found in mitochondria or chloroplast? A) genomic imprintingB) dosage compensation D) maternal effect C) sex influenced trait E) maternal (extranuclear) inheritance 9) This inheritance pattern occurs when a segment of DNA is marked and the effect is aintained throughout the life of the organism inheriting the marked DNA B) dosage compensation E) genomic imprinting C) sex influ A) maternal D) maternal effect is is when mitochondria have both mutant and A) homoplasmy B) heteroplasm 2 incomplete dominance 1 to 41Explanation / Answer
35. ans is b.
Sex-limited traits are traits that are visible only within one sex.
Sex-linked traits are found on one of the two types of sex chromosomes but not on both
Sex-influenced traits are autosomal traits that are expressed based on the influence of the sex
36. ans is D. 80% penetrant
37. Penetrance is the degree to which a trait is expressed.
38. ans is E maternal or extranuclear inheritance.
Non-nuclear DNA is often inherited uniparentally, meaning that offspring get DNA only from the male or the female parent, not both. In humans, for example, children get mitochondrial DNA from their mother (but not their father)
39. ans is E genomic imprinting
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