Inheritance

Question 1

What is mono hybrid inheritance

Answer 1

Inheritance of a single gene

Question 2

What is Mendels first law of inheritance

Answer 2

Organisms characteristics are determined by paired factors

Question 3

What is mendels 2nd law of inheritance

Answer 3

Each member of a pair of alleles may combine randomly with either of another pair on a different chromosome

Question 4

When does mendels law not apply

Answer 4

If genes are unlinked

Question 5

What is dihybrid inheritance

Answer 5

Simultaneous inheritance of 2 unlinked genes

Question 6

What is linkage

Answer 6

Genes that are on the same chromosome so don’t segregate during meiosis

Question 7

What is sex linkage

Answer 7

Most lengths of X and Y chromosomes are not homologous
In those regions females have 2 copies of the gene and males have 1
In heterozygous females the dominant allele is expressed in males whichever allele is carried gets expressed as there is no allele to be dominant over it

Question 8

What is haemophilia

Answer 8

Sex linked condition carried on the X chromosome by females

Question 9

What is duchenne muscular dystrophy

Answer 9

X linked reccesive condition

Question 10

Can males be a Carrie for haemophilia

Answer 10

No as they only have one X chromosome