Question

Explain sex-determination in human being and birds.

Answer 1

One of these pairs controls the inheritance of gender - whether offspring are male or female, in males, the two sex chromosomes are different. They are XY. in females, the two sex chromosomes are the same.

In contrast to the XY sex-determination system and the X0 sex-determination system, where the sperm determines the sex, in the ZW system, the ovum determines the sex of the offspring. Males are the homogametic sex (ZZ), while females are the heterogametic sex (ZW).

Answer 2

Sex determination in human being and birds

• Sex determination are just opposite of one another in humans and birds, it differs in the pattern though the concept is kind of same.
• In human beings a male has X Y sex chromosomes whereas a female has XX chromosomes.
• In birds, a male has 2 Z chromosomes whereas female has Z and W chromosomes.
• So from the above-mentioned statement, one can view the difference and similarity between the sex determination of human beings and birds, which is just the opposite of one another and which explains how the sex is determined in human beings and birds and male and female is distinguished.

Learn more about Sex determination in human being and birds

Sex determination is based on particular chromosomes in both birds and humans. State two points of difference between their mechanisms of sex determination.

https://brainly.in/question/7593407

State two contrasting features each of sex determination, in humans, birds and honey bees.

https://brainly.in/question/13063966