10th Grade Inheritance

The inheritance pattern of blood group types and fur color in rabbits is:

• Codominance

• Multiple allele

• Incomplete dominance

• Polygenic inheritance

If a daughter is color blind, then the possibility of her father to be colorblind is 100%.

• True

• False

If trisomy is present on 21st chromosome in humans, the condition is called as

• Klinefelter Syndrome

• Down Syndrome

• Turner Syndrome

• Edward Syndrome

Relative marriage increases the risk of having recessive disorders in the offspring.

• True

• False

If there is a mutation in body cells (somatic cells), it is inherited and passed onto next generation.

• True

• False

Turner Syndrome is an example for nondisjunction in autosomal chromosomes.

• True

• False

X-linked dominant disorders appear a lot in populations than X-linked recessive disorders.

• True

• False

Hairy ears is a condition that only appears in females.

• True

• False

Heterozygous form of blood group B is expressed with the genotype:

• I^Ai

• I^BI^B

• I^Bi

• ii

Rh incompatibility happens when:

• The mother is Rh(-), the baby is Rh(-)

• The mother is Rh(+), the baby is Rh(-)

• The mother is Rh(-), the baby is Rh(+)

• The mother is Rh(+), the baby is Rh(+)