A heterozygote has ____

During meiosis, the number 21 chromosomes did not separate correctly. What disorder is caused by this event? O Down syndrome O hemophilia O Huntington's disease O sickle cell anemia

Give typing answer with explanation and conclusion

true or false: nondisjunction during meiosis is the cause of down syndrome. 

Meiosis I is considered _____________ division.     Equational     Equal     Balanced     Reduction

Meisosis ___________ the parental chromosome number. Group of answer choices halves doubles maintains mixes

Number of FEMALE offspring that would have the condition of an X-linked trait, if an affected man and a carrier woman had children

In human life did how many chromatids does a secondary oocyte carry? 22/23/44/46 or 92

In meiosis _______ are separated during anaphase I, and _______ are separated during anaphase II

Turner syndrome occurs when an individual inherits one X chromosome but lacks a second sex chromosome. A phenotypically normal woman, whose father was color-blind, and color-blind man have child with Turner syndrome who is color blind. In which process did the nondisjunction occur that gave rise to Turner syndrome in the child? oogenesis or spermatogenesis spermatogenesis oogenesis