Although organisms result from a combination of genetic and environmental factors, only genetic factors are passed on to the next generation.
a. true
b. false
Ans: a. true
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A Punnett square is used to determine
(a) probable gamete genotypes. (b) possible parental phenotypes. (c) possible parental genotypes. (d) possible genetic outcomes of a cross.
In your observations of a new rotifer species, you note that diploid females can lay diploid eggs that in turn become diploid female adults. What do you conclude about this behavior?
A. This is asexual reproduction by way of parthenogenesis. B. This asexual reproduction by way of budding of a new individual from the parent. C. This is sexual reproduction by way of parthenogenesis. D. This is sexual reproduction because sperm must have been stored in the female for later fertilization of her eggs. E. This is sexual reproduction by way of diploid females laying haploid eggs that hatch into haploid males who in turn produce sperm that fertilizes other haploid eggs.
Identify the prokaryotic organism
A) Fungus B) Bacteria C) Animal D) Plant
On a short-term basis, water loss in plants may be controlled by the
A. opening the Casparian strips in the roots. B. closing of the stele in the roots. C. bending of the petioles on the leaves. D. opening of the stomata in the leaves to allow more carbon dioxide to enter. E. closing of the stomata in the leaves to limit transpiration.