In which of the following situations would sex selection not be ethically recommended?
(a) there is a history of duchenne muscular dystrophy in a family.
(b) the mother is a known carrier of haemophilia.
(c) the family already has five children of the same sex.
(d) the father is a haemophiliac.

What is earths lithospheric plates interact at

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.