If a round, green seeded pea plant (RRyy) is crossed with wrinkled, yellow seeded pea plant, (rrYY) the seeds produced... View Article
d) For every molecule of fat there is a gene Explanation Hormone and enzymes are made up of proteins and... View Article
a)Tallness is the dominant trait. Explanation A cross between a tall plant (TT) and short pea plant (tt) resulted in... View Article
b) Self pollination In incomplete dominance, the cross between plants with pure red and white flowers results in F1 generation... View Article
(c) sexual reproduction Explanation In the case of asexual reproduction, only the minimal changes due to inaccuracies in DNA copying... View Article
Venereal diseases which are commonly known as sexually transmitted diseases (STDs) are infectious diseases transmitted through sexual contact. It is also... View Article
For survival, an individual needs energy which it obtains from life processes such as nutrition and respiration. Reproduction does not... View Article
The fusion of the male gamete (sperm) with the female gamete (ova) is known as fertilisation. The process of fertilisation... View Article
(a) Contraceptive methods are used such as (i) mechanical (ii) drugs (as pills), (iii) loop or copper T and (iv)... View Article
The ovary produces female gametes. Anthers produces male gametes. The important functions of flowers are mentioned below: Gametophytes develop in... View Article
Gamete Zygote Formed after Meiosis Formed by the fusion of two gametes. Gametes produces haploid number of chromosomes produces diploid... View Article
Pollination Fertilization Pollination is an external process. Fertilization can either be internal or external Pollination takes place before fertilization. Fertilization... View Article
Sexual Reproduction Asexual Reproduction Two parents are involved One parent is involved Characteristics of both parents are inherited Characteristics of... View Article
In Budding, fragmentation and regeneration only a single parent is involved and there is no formation of gametes hence they... View Article
The ratio of chromosome number between an egg and its zygote is 1:2. Sperm contains the genetic material from the... View Article
Answer a) Ovary (production of egg) Ovaries are the female reproductive organs in which the female germ cells or eggs... View Article
Using mechanical barriers during sexual act like condom helps in avoiding pregnancy as it does not allow the sperm to... View Article
If fertilization occurs, the loss of corpus luteum is prevented. There is formation of new special tissue called as placenta... View Article
The lining of the uterus slowly breaks and comes out through the vagina as blood and mucus. Explanation Every month... View Article
Path of sperm during ejaculation: testes → epididyntis → vas deferens → prostate → urethra. Sperm comes out from testis... View Article
