Entries by Hannah Wangui

One primary spermatocyte produces ________ (how many?)

November 21, 2020 in /by

One primary spermatocyte produces ________ (how many?) functional sperm; one primary oocyte produces _________ (how many?) functional egg (s) 1; 1 4; 1 1; 4 unlimited; 1 4; 4 Kelly and Sam are both unaffected carriers for two autosomal recessive disorders, PKU (chromosome 12) and cystic fibrosis (chromosome 7). They are expecting a daughter. What […]

 

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If nondisjunction takes place in a spermatocyte in the  first meiotic division and the sperm fertilizes a normal egg, the resulting infant may have

November 21, 2020 in /by

please help select and explain just the correct. Thanks!If nondisjunction takes place in a spermatocyte in the first meiotic division and the sperm fertilizes a normal egg, the resulting infant may have three copies of each chromosome one copy of each chromosome a normal number of chromosomes three copies of chromosome 13,18 or 21 some cells […]

 

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If a male expresses an X-linked recessive trait ________ was (were)_______ for the trait.

November 21, 2020 in /by

Only explain briefly, please. Not so in-depth. Thank you. If a male expresses an X-linked recessive trait ________ was (were)_______ for the trait. both parents; homozygous his mother; homozygous or heterozygous his father; hemizygous his father; homozygous or heterozygous both parents; heterozygous Which molecules are most associated with the structure and function of a cell membrane? […]

 

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Sex-influenced traits are expressed

November 21, 2020 in /by

Please just explain the correct answer! Thank you! I will rate.Sex-influenced traits are expressed______________ as a result of genes on the X chromosome. after the formation of a Barr body. as a result of hormone differences between males and females. more in males than females. more in females than males Tamryn has a son who […]

 

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