HONDROS BIO 254 PRACTICAL 2 - LAB 9
QUESTIONS WITH ACCURATE ANSWERS
UPDATED 2025 - 2026
A,primary,spermatocyte,,,ANS,-a,cell,that,divides,to,form,two,secondary,spermatocytes
Secondary,spermatocytes,each,contain,,,ANS,-23,chromosomes
primary,oocyte,,,ANS,-An,oocyte,prior,to,completion,of,meiosis,I.
secondary,oocyte,,,ANS,-
An,oocyte,in,which,the,first,meiotic,division,is,completed.,The,second,meiotic,division,usually,stops,short,
of,completion,unless,fertilization,occurs.
Zygote,,,ANS,-the,fertilized,egg;,it,enters,a,2-
week,period,of,rapid,cell,division,and,develops,into,an,embryo
Morula,,,ANS,-
A,solid,ball,of,cells,that,makes,up,an,embryo;,in,humans,,this,stage,occurs,within,four,days,of,fertilization.
polar,body,,secondary,oocyte,,,ANS,-Formed,each,month,after,a,female,reaches,puberty
The,polar,body,has,less,cytoplasm,and,dies,sometimes,before,its,second,division
The,secondary,oocyte,develops,into,an,ovum,after,the,Meiosis,II
trophoblast,,,ANS,-outer,cells,of,the,blastocyst,that,secrete,enzymes,that,allow,implantation
inner,cell,mass,of,blastocyst,,,ANS,-contains,cells,that,will,form,the,embryo.
ectoderm,-,yellow
mesoderm,-,not,labeled,
QUESTIONS WITH ACCURATE ANSWERS
UPDATED 2025 - 2026
A,primary,spermatocyte,,,ANS,-a,cell,that,divides,to,form,two,secondary,spermatocytes
Secondary,spermatocytes,each,contain,,,ANS,-23,chromosomes
primary,oocyte,,,ANS,-An,oocyte,prior,to,completion,of,meiosis,I.
secondary,oocyte,,,ANS,-
An,oocyte,in,which,the,first,meiotic,division,is,completed.,The,second,meiotic,division,usually,stops,short,
of,completion,unless,fertilization,occurs.
Zygote,,,ANS,-the,fertilized,egg;,it,enters,a,2-
week,period,of,rapid,cell,division,and,develops,into,an,embryo
Morula,,,ANS,-
A,solid,ball,of,cells,that,makes,up,an,embryo;,in,humans,,this,stage,occurs,within,four,days,of,fertilization.
polar,body,,secondary,oocyte,,,ANS,-Formed,each,month,after,a,female,reaches,puberty
The,polar,body,has,less,cytoplasm,and,dies,sometimes,before,its,second,division
The,secondary,oocyte,develops,into,an,ovum,after,the,Meiosis,II
trophoblast,,,ANS,-outer,cells,of,the,blastocyst,that,secrete,enzymes,that,allow,implantation
inner,cell,mass,of,blastocyst,,,ANS,-contains,cells,that,will,form,the,embryo.
ectoderm,-,yellow
mesoderm,-,not,labeled,
