Advertisements
Advertisements
Question
Explain the following term : Pedigree chart
Solution
Pedigree Chart:
A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes or a particular gene or organism and its ancestors from one generation to the next. In the pedigree chart, males are shown by squares and females by circles.
APPEARS IN
RELATED QUESTIONS
Describe quantitative inheritance controlled by two pairs of genes.
Explain Monohybrid cross
A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness .
(i) Who is colour blind in parents - Father or Mother?
(ii) How many daughters and sons have beeen born in the family?
(iii) What does the child 1 indicate about this trait?
(iv) Complete the depiction of all probabilities of the trait among the children 2-5 in the chart.
(v) On which chromosome is the gene of this trait located?
(vi) Name one other trait in humans which follows the similar mode of inheritance.
Explain the following term : Homozygous
Give Technical Term:
The hereditary unit, which is responsible for inheritance.
According to Mendel alleles have the following character ______.
Dominant allele refers to ______.
One of the reasons why law of segregation of gametes is universally applicable, is ______.
Mendel studied interitance of seven pairs of traits in pea which can have 21 possible combinations. If you are told that in one of these combinations, independent assortment is not observed in later studies, your reaction will be.
At which stage, did Mendel observe the segregation of alleles in garden pea plants?