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Only men have them.
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If X Y in Y z which statement must be true?
If x y and y z, which statement is true
What portion of the human Y chromosome is homologous to the human X chromosome?
The pseudoautosomal regions (PARs) at the tips of the Y chromosome are homologous to regions on the X chromosome. These PARs are responsible for pairing and recombination between the X and Y chromosomes during meiosis. About 5% of the Y chromosome is homologous to the X chromosome in humans.
What is a statement that is true of Y chromosomes?
The Y chromosome is one of the two sex chromosomes in humans, responsible for determining male biological characteristics. It carries genes crucial for male sex determination and spermatogenesis, including the SRY gene, which triggers the development of testes. Additionally, the Y chromosome is significantly smaller than the X chromosome and is inherited paternally, meaning it is passed from father to son.
A child receives an X chromosome from it’s mother and a Y chromosome from it’s father. What is true about this child?
it is male
What statement is true about x chromosome?
Women have two of them.occurs in cells of female mammalsWomen have two of them
What is biconditional statement?
A bi-conditional statement is one which says that if any one of two statements is true, the other is true, too. It generally takes the form, X is true if and only if Y is true, or X is equivalent to Y, where X and Y are simpler statements.
Is it true that a mans sperm cells determine if a child will be a male or a female?
Yes, it is true that a man's sperm cells determine the sex of a child. Sperm carries either an X or a Y chromosome; if the sperm fertilizes an egg with an X chromosome, the child will be female (XX), and if it fertilizes an egg with a Y chromosome, the child will be male (XY). Therefore, it is the combination of the sperm's chromosome and the egg's chromosome that ultimately determines the child's sex.
What is a X chromosome?
If an individual has the chromosome series XY, that individual would be a male. The Y chromosome is passed down from the father and the X is passed from the mother. The X chromosome contains all hereditary factors while the Y chromosome doesn't contain much genetical information at all, except the fact if Y chromosome is present that individual will be a male. This is all only true for Humans. Dosophilla (fruit flies) have different chromosomal expressions.
If x is y and y is z which statement must be be true?
If x = y and y = z then x = z
is this statement true or falseThe intersection of the x-axis and the y-axis is called the origin.?
true
What statement is true of both x and y chromosomes?
Both X and Y chromosomes are sex chromosomes that determine an individual's sex in many organisms, including humans. They carry genes that are crucial for sexual development; the X chromosome contains a larger number of genes related to various functions, while the Y chromosome primarily carries genes associated with male sex determination and spermatogenesis. Additionally, they are inherited differently, with females typically having two X chromosomes and males having one X and one Y chromosome.
Does an x chromosome looks the same as a y chromosome?
No. An 'X' chromosome looks like an 'X'. The 'Y' chromosome looks like a deformed 'X'. It is noticeably different to an 'X' chromosome. Also, the 'Y' chromosome is only a third of the size of an 'X' chromosome - an 'X' chromosome is 155 million base pares, while the 'Y' chromosome is only 58 million base pairs.
