What must occur during fertilization in humans in order to produce a male child?

The zygote must receive a Y chromosome.

The zygote must receive two X chromosomes.

The zygote must receive an X chromosome.

The zygote must receive two Y chromosomes.

Both birds and mammals have four-chambered hearts. but birds are more closely related to crocodiles, which have three-chambered hearts, than they are to mammals. the correct interpretation of these observations is that:

Visually, what is the major difference between the seperation of chromosomes between anapahse I and anaphase II?

Compare and contrast dna replication, transcription, and translation

Pathogenic bacteria that succeed in penetrating the wall of the large intestine into the blood circulation are removed or destroyed by

What is the significance of the start and stop codons in protein synthesis?

How many molecules of DNA are present if there are after 11 rounds of replication?

What is science? Answer in your own words.

Assuming the Chart Tracking software will not be intelligent enough to locate information that was not documented in the correct place in the EHR, what format or design changes would you suggest be made to the EHR to ensure information is documented

A nucleus bordered by a membranous envelope is found in

Will frogs exposed to the hormone estrogen lay more eggs?