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level: genetics one inheritance

Questions and Answers List

all the questions that i did wrong in my allen exersices and past neet papers

level questions: genetics one inheritance

Question	Answer
the mechanism which causes a gene to move from one linkage group to another is called	translocation
a true breeding plant is	homozygous and produces offspring of it's own kind
it is a recessive sex linked disorder, which occurs in 8 percent male and 0.4 percent female..	colour blindness
haemophilia is characterised best as which disorder	x-linked recessive gene disorder
Mendel crossed a tall true-breeding pea plant with a dwarf true-breeding pea plant what are the result of the F2 generation	1:2:1 tall homozygous:heterozygous tall:dwarf
sickle cell anemia is which disorder	it is a autosomal linked recessive gene disorder
which genes are located on the same chromosomes and tend to segregate during meiosis unless there is a crossing over	linked genes
XX females have one Barr body per cell, XXX females have 2 Barr bodies per cell, and XXY males have one Barr body per cell (Barr bodies are not observed in XY males).	klinefelter syndrome
it is a condition which affects female where female have a XO chromosome conditon	turner's syndrome
haemophilic gene is which disorder	sex-linked recessive disorder
p^2+q^2+2pq where p^2 represents AA, q^2 represents aa and 2pq represents Aa	hardy wienbergs's principle
in his peapod experiment, Mendel did not use which characteristic	pod shape
if blood group A is crossed with blood group B then the offsprings will have which blood group	A,B,AB,O
multiple alleles are present where on the chromosome	on the same locus of the chromosome
what are alleles	different molecular forms of a gene
Mendel's law of segregation means that the germ cells always receive	one of the paired alleles
two allelic genes are located on	two homologous chromosomes
a test cross is carried out to predict	if the two traits are linked
the colour based contrasting traits studied by mendel were	three ( the flower colour, the pea colour and the pod colour)
the sickle cell anaemia is the result of which mutation in the haemoglobin gene	point mutation
presence of recombinants is due to	crossing over
a human female with turner syndrome has	45 chromosomes with XO
the number of linkage groups in E. COLI is	one
the existence within a population of non-beneficial alleles in a heterozygous genotype is	genetic load
an allele that produces the same phenotype whether its paired allele is identical or different	dominant epistasis
period for Mendel's hybridization	1856-1863
characteristics which represent the inheritance of blood groups in humans	dominance, co-dominance and multiple alleles