In the case of incomplete dominance, if two heterozygotes are crossed (Aa Aa) ra
ID: 167270 • Letter: I
Question
In the case of incomplete dominance, if two heterozygotes are crossed (Aa Aa) ratio, which is _ the genotypic ratio, results. the same as the same as different than the same as in addition to the genes located on chromosomes in the nucleus, genes are also located within the _ of both animal and plant cells and the _ of plant cells. These organelles segregate randomly during cell division and thereby contribute to genetic variation mitochondria, centrosomes chloroplasts, mitochondria mitochondria; chloroplasts chloroplasts; lysosomes the genes encoding sex-influenced and sex-limited traits located on_ autosomes the X chromosome the Y chromosome the X or Y chromosome Two individuals with dominant phenotypes never produce true-breeding progeny with a dominant phenotype and the proportion of dominant and recessive phenotypes in the progeny is always 2/3 dominant and 1/3 recessive Which of the following is the most likely explanation of this scenario? one dominant parent is homozygous dominant and one is heterozygous the homozygous dominant genotype is lethal the homozygous recessive genotype is lethal the trait is sex influenced the trait exhibits genomic imprinting If 2 genes are linked but not completely, then we should observe which of the following when an individual who is heterozygous at both loci is crossed in a test cross? all non-recombinant progeny mostly recombinant and fewer non-recombinant progeny all recombinant progeny mostly non-recombinant and fewer recombinant progeny there is not enough information to make any of these conclusionsExplanation / Answer
1. The correct answer is option d (1:2:1). A cross of two F1 hybrids, heterozygous for a single trait that displays incomplete dominance is predicted to give a 1:2:1 ratio among both the genotypes and phenotypes of the offspring.
2. The correct answer is option c. In animal cells and plant cells, the extrachromosomal DNA is present in mitochondria while in plant cells it is present in chloroplast.
3. A sex limited trait is a trait which is only expressed in one of the sexes. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. So, the correct answer is option d.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.