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what are the main conventional symbols and signs used in genetic family treesin genetic family trees the male sex is usually shown by a square and
what is the condition for mendels second law to be validmendels second law is only valid for genes located in dissimilar chromosomes for genes
what is a genetic family treegenetic family tree is a schematic family tree that shows the biological inheritance of some trait by successive
why can the crossing of an individual that manifests dominant phenotype with another that manifests recessive phenotype for the same trait determine
in the f2 generation of hybridization for a given trait conditioned by a pair of alleles t and t according to mendels first law what are the
which is the type of gamete produced by a heterozygous individual what is the genotypical proportion of these gametesheterozygous individuals for
which is the type of gamete for a given trait produced by a dominant homozygous individual what is the genotypical proportion of these gametes what
what is the mendels first lawthe mendels first law postulates that a characteristic trait of an individual is always verified by two factors one
what is meant by saying that in relation to a given trait conditioned by a gene with two different alleles the gametes are always pureto say that
considering hybridization in a given trait like the color of the hair of a mammalian species whiteblack conditioned by a pair of different alleles
considering hybridization in a trait like the color of the flowers of a given plant species redyellow conditioned by a pair of different alleles in
what is monohybridismmonohybridism is the study of only one feature in the crossing of two pure individuals hybridization for that
what in genetics is hybridizationhybridization in genetics is the crossing of individuals from pure and dissimilar lineages in relation to a given
who was gregor mendelmendel is considered the father of genetics he was a monk biologist and botanist born in austria in 1822 and who died in 1884
what is the difference between homozygosity and heterozygosityhomozygosity happens when an individual has two identical alleles of a gene for
whenever a pair of alleles has different alleles is there dominance between themnot in all cases of a gene having two different alleles is the
for an individual having a genotype formed of two different alleles that condition different varieties of the same phenotypical trait upon what will
considering a pair of homologous chromosomes containing a gene having two different alleles how many different genotypes can the individual presentif
what are some examples of phenotypical characteristics that present two or more varieties and of phenotypical features that do not vary in relation
what are the situations in which the environment can change the genotype of an individual what is the condition for this type of change to be
are environmental phenotypical changes transmitted to the offspringchanges caused on phenotypes by the environment are not transmitted to the
does the environment exert an influence on the phenotypea phenotype may be changed compared to the original situation conditioned by its genotype by
what is a genotype what is the difference between genotype and phenotypegenotype is the genes dna nucleotide sequences have in the chromosomes of an
what is a phenotypea phenotype is each observable characteristic of a living being conditioned by its genes some phenotypes may be changed by
what are alleles of a genediploid individuals have paired chromosomes for instance in humans there are 23 pairs of chromosomes totalling 46