Answer:
Mother - XAXA
Father - XY
Explanation:
Please see the attached image - complete question
Solution -
In the second cross the female is affected while the male is unaffected
The disease mentioned in the question is dominant X inked which means even one X chromosome can cause the disease. Thus, it will impacts males more than females.
Let the allele representing a diseased X gene be XA
and the allele for normal X gene be X
The offspring have all diseased males, which means that the genotype of affected female will be XAXA
And the genotype of unaffected male will be XY
Hardwood comes from deciduous trees which lose their leaves every year. softwood comes from conifer trees which usually remain evergreen
They all produce Carbon Dioxide.
DNA is Gene structure .it was genetic material chromosome . it's chain molecular