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pubic hair growth.
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What are some secondary male sex characteristics?
They are sometimes as interested in other males as in females....
How many chromosomes are common to both males and females?
Both males and females have 22 pairs of autosomes and one pair of sex chromosomes. In females, the sex chromosomes are two X chromosomes (XX), while in males, the sex chromosomes are one X and one Y chromosome (XY). Therefore, one pair of the sex chromosomes is common to both males and females.
Why are sex-linked traits more conman in males?
Sex-linked traits are more commonly expressed in males because they only have one X chromosome. This means that any recessive allele on the X chromosome will be expressed since males don't have a second X chromosome to mask it. In contrast, females have two X chromosomes, giving them a higher chance of carrying a dominant allele that can mask the recessive allele.
Hormone drive development of secondary sex characteristics?
Hormones such as testosterone and estrogen drive the development of secondary sex characteristics during puberty. These hormones are responsible for physical changes like breast development and facial hair growth, which differentiate males and females.
Do Males or Females have a larger sex chromosome?
males
What hormones are responsible for the secondary sex traits in males and females?
In males, testosterone is the primary hormone responsible for the development of secondary sex characteristics such as facial hair, deep voice, and muscle mass. In females, estrogen is the key hormone that contributes to the development of secondary sex traits like breast development, wider hips, and body fat distribution.
Varanasi sex ratio -percent of males and females?
The sex ratio in Varanasi is approximately 900 females per 1,000 males. This means there are more males than females in the city.
What is Secondary sex characteristics?
Secondary sex characteristics are physical attributes that develop during puberty in humans and other animals, which differentiate between male and female sexes. Examples include facial hair and deepened voice in males, and breast development and widened hips in females. These characteristics are influenced by hormones and are not directly involved in reproduction.
What is the secondary sexual characteristics of the human?
In humans, visible secondary sex characteristics include enlarged breasts of females and facial hair and adam's apple on males.
What Gene difference between human males and females?
One of the key genetic differences between human males and females is the presence of sex chromosomes. Males typically have one X and one Y chromosome (XY), while females have two X chromosomes (XX). This difference in sex chromosomes leads to differences in the expression of certain genes related to sex determination and secondary sexual characteristics.
What do males and females have?
Both have 23 pairs including sex chromosomes. . Males have an X and Y sex chromosome and females have two X.
Does color blindness occur in males or females or just one sex?
Red Green colorblindness is more prevalent in males but can occur in females as well.
