Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 4 - 2014
Question 4
Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case.
(a) Meiosis is an important source of variati... show full transcript
Worked Solution & Example Answer:Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 4 - 2014
Step 1
(a) Meiosis is an important source of variation.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
True. Meiosis is responsible for generating genetic diversity through processes such as crossing over and independent assortment.
Step 2
(b) Mitosis occurs in mature red blood cells in humans.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
False. Mature red blood cells lack a nucleus and therefore do not undergo mitosis.
Step 3
(c) During mitosis the nuclear membrane temporarily disappears.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
True. The nuclear membrane disintegrates during prophase, allowing the chromosomes to segregate.
Step 4
(d) Meiosis gives rise to the haploid condition.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
True. Meiosis reduces the chromosome number by half, resulting in haploid gametes.
Step 5
(e) In multicellular organisms mitosis functions primarily in growth.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
True. Mitosis is involved in growth, tissue repair, and asexual reproduction.
Step 6
(f) In plants, a cell plate forms during telophase of mitosis.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
True. In plant cells, a cell plate forms during telophase to develop into the cell wall between two daughter cells.
Step 7
(g) The human zygote divides by meiosis.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
False. The human zygote undergoes mitotic divisions to develop into an embryo, not meiosis.
Join the Leaving Cert students using SimpleStudy...
