Which of the following statements is correct regarding the human X chromosomes? It is the same size as other chromosomes and has the same number of genes. It is present in every somatic cell of males and females. It carries genes that determine an individual's biological sex. It is referred to as an autosome.

Which of the following statements is correct regarding the human X chromosomes? It is the same size as other chromosomes and has the same number of genes. It is present in every somatic cell of males and females. It carries genes that determine an individual's biological sex. It is referred to as an autosome.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter20: The Reproductive System

Section: Chapter Questions

Problem 11RE

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Which of the following statements is INCORRECT? Synapsis of the X and Y chromosomes in males occurs only at the pseudoautosomal regions. Genes in the pseudoautosomal regions on the Barr body X chromosome escape inactivation. Nonhomologous regions of the X and Y chromosome condense to form a sex vesicle during leptotene. Although one of the two X chromosomes in XXY males becomes a Barr body, XXY males have three doses of the genes in the PAR regions.
Mitosis happens throughout the male life cycle however, meiosis takes place only for a limited period of his life cycle. Select one: True False In a human body, kidney cells have a different DNA from the one present in the lung cells, because type does a different function. Select one: True False Mitochondria in cells of plant seeds break down starch to produce energy in the form of ATP Select one: True False When a red blood cell (RBC) is placed in distilled water it will shrink Select one: True False
The Y chromosome in humans is found as a pair in males. the only human sex chromosome. present only in females. normally found as a single copy.
Although most tortoiseshell cats are female, a litter of kittens will occasionally contain a male tortoiseshell. Which of the following can explain tortoiseshell coat color in a male kitten? Please explain in detail. The male kitten has an extra Y chromosome The male kitten has an extra X chromosome The male kitten has no X chromosome The male kitten cannot carry out X-inactivation
Which of the following genetic changes would be passed from parent to child? A duplication of chromosome 21 during mitosis in a pancreas cell The addition of a chromosome in an egg cell A mutation in a skin cell caused by UV light A translocation in a nonhomologous pair of chromosomes in a liver cell
What chromosomes belong to a normal human female? 44 autosomes and 2 X chromosomes 22 autosomes and 2 X chromosomes 44 autosomes, one X chromosome, and one Y chromosome 46 autosomes and two X chromosomes
Which of the following statements regarding X-inactivation is TRUE?(posted) Inactivated X chromosomes are only found in somatic cells of females. After X-inactivation happens in a cell, all daughter cells resulting from mitotic events of that cell will have the same X chromosome ina none of the statements listed here are true X-inactivation is a random event that happens during human development right before a fetus is born. all of the statements listed here are true)
Why do females not produce more protein encoded by genes on the X chromosome than males? One X chromosome is inactivated There are no proteins encoded by genes on the X chromosome They do produce more protein encoded by genes on the X chromosome The genes on the Y chromosome are the same as the ones on the X chromosome
Which of the following could explain how might a human having the XX sex chromosomes can develop as a male? Both of his X chromosomes become inactivated giving rinse to a male. The autosomal Sox9 gene is inactivated in the male. This is not possible. His father suffered a chromosomal translocation in the reproductive cells that moved the SRY region to the X chromosome. The ratio of X chromosomes to haploid sets of chromosomes has been altered.
All of the following are distinctions between the process of mitosis and meiosis EXCEPT: Group of answer choices homologous chromosomes in meiotic cells conduct synapsis meiotic cells produce genetically distinctive cells meiotic cells go through two cell divisions meiotic cells have homologous chromosomes where mitotic cells do not 2. All of these mechanisms ensures that DNA replication is accurate EXCEPT: Group of answer choices DNA splicing by spliceosomes excision repair mismatch repair complementary base pairing
The inactivation of one of the X chromosomes forms a structure known as a(n): telomere centromere autosome Barr body A man who carries a dominant X-linked trait will pass this trait on to: all of his sons all of his daughters half of his daughters and half of his sons half of his daughters An individual possessing two copies of the same sex chromosomes is known as: Question 3 options: heterogametic homozygous diploid homogametic
Which of the following is true for autosomal recessive alleles associated with a disease? One copy of the allele will cause the disease. An individual who shows the disease must have at least one parent with the disease. Two copies of the allele are required for the individual to be affected. D These alleles are seen more frequently in males.

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		It is the same size as other chromosomes and has the same number of genes.
		It is present in every somatic cell of males and females.
		It carries genes that determine an individual's biological sex.
		It is referred to as an autosome.